diff --git a/Gemfile.lock b/Gemfile.lock
index fd4a7f2..0bdcddf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,52 +1,52 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (5.1.6)
-      actionpack (= 5.1.6)
+    actioncable (5.1.7)
+      actionpack (= 5.1.7)
       nio4r (~> 2.0)
       websocket-driver (~> 0.6.1)
-    actionmailer (5.1.6)
-      actionpack (= 5.1.6)
-      actionview (= 5.1.6)
-      activejob (= 5.1.6)
+    actionmailer (5.1.7)
+      actionpack (= 5.1.7)
+      actionview (= 5.1.7)
+      activejob (= 5.1.7)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.1.6)
-      actionview (= 5.1.6)
-      activesupport (= 5.1.6)
+    actionpack (5.1.7)
+      actionview (= 5.1.7)
+      activesupport (= 5.1.7)
       rack (~> 2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.1.6)
-      activesupport (= 5.1.6)
+    actionview (5.1.7)
+      activesupport (= 5.1.7)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.1.6)
-      activesupport (= 5.1.6)
+    activejob (5.1.7)
+      activesupport (= 5.1.7)
       globalid (>= 0.3.6)
-    activemodel (5.1.6)
-      activesupport (= 5.1.6)
-    activerecord (5.1.6)
-      activemodel (= 5.1.6)
-      activesupport (= 5.1.6)
+    activemodel (5.1.7)
+      activesupport (= 5.1.7)
+    activerecord (5.1.7)
+      activemodel (= 5.1.7)
+      activesupport (= 5.1.7)
       arel (~> 8.0)
-    activesupport (5.1.6)
+    activesupport (5.1.7)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
-    apparition (0.4.0)
+    apparition (0.5.0)
       capybara (~> 3.13, < 4)
       websocket-driver (>= 0.6.5)
     arel (8.0.0)
     awesome_print (1.8.0)
-    builder (3.2.3)
-    capybara (3.30.0)
+    builder (3.2.4)
+    capybara (3.31.0)
       addressable
       mini_mime (>= 0.1.3)
       nokogiri (~> 1.8)
@@ -62,216 +62,220 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.6)
     coveralls (0.7.2)
       multi_json (~> 1.3)
       rest-client (= 1.6.7)
       simplecov (>= 0.7)
       term-ansicolor (= 1.2.2)
       thor (= 0.18.1)
-    crass (1.0.4)
-    database_cleaner (1.6.2)
+    crass (1.0.6)
+    database_cleaner (1.8.3)
     diff-lcs (1.3)
-    docile (1.3.0)
-    elasticsearch (6.0.2)
-      elasticsearch-api (= 6.0.2)
-      elasticsearch-transport (= 6.0.2)
-    elasticsearch-api (6.0.2)
+    docile (1.3.2)
+    elasticsearch (6.8.1)
+      elasticsearch-api (= 6.8.1)
+      elasticsearch-transport (= 6.8.1)
+    elasticsearch-api (6.8.1)
       multi_json
-    elasticsearch-dsl (0.1.5)
+    elasticsearch-dsl (0.1.9)
     elasticsearch-model (6.1.0)
       activesupport (> 3)
       elasticsearch (> 1)
       hashie
     elasticsearch-rails (6.1.0)
-    elasticsearch-transport (6.0.2)
-      faraday
+    elasticsearch-transport (6.8.1)
+      faraday (>= 0.14, < 1)
       multi_json
-    erubi (1.7.1)
+    erubi (1.9.0)
     execjs (2.7.0)
-    factory_bot (4.8.2)
-      activesupport (>= 3.0.0)
-    factory_bot_rails (4.8.2)
-      factory_bot (~> 4.8.2)
-      railties (>= 3.0.0)
-    faker (1.8.7)
-      i18n (>= 0.7)
-    faraday (0.14.0)
+    factory_bot (5.1.1)
+      activesupport (>= 4.2.0)
+    factory_bot_rails (5.1.1)
+      factory_bot (~> 5.1.0)
+      railties (>= 4.2.0)
+    faker (2.10.2)
+      i18n (>= 1.6, < 2)
+    faraday (0.17.3)
       multipart-post (>= 1.2, < 3)
+    ffi (1.12.2)
     foundation-rails (5.5.3.2)
       railties (>= 3.1.0)
       sass (>= 3.3.0, < 3.5)
-    globalid (0.4.1)
+    globalid (0.4.2)
       activesupport (>= 4.2.0)
-    hashie (3.5.7)
-    i18n (1.0.0)
+    hashie (3.6.0)
+    i18n (1.8.2)
       concurrent-ruby (~> 1.0)
-    jquery-rails (4.3.1)
+    jquery-rails (4.3.5)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     json (1.8.6)
-    kaminari (1.1.1)
+    kaminari (1.2.0)
       activesupport (>= 4.1.0)
-      kaminari-actionview (= 1.1.1)
-      kaminari-activerecord (= 1.1.1)
-      kaminari-core (= 1.1.1)
-    kaminari-actionview (1.1.1)
+      kaminari-actionview (= 1.2.0)
+      kaminari-activerecord (= 1.2.0)
+      kaminari-core (= 1.2.0)
+    kaminari-actionview (1.2.0)
       actionview
-      kaminari-core (= 1.1.1)
-    kaminari-activerecord (1.1.1)
+      kaminari-core (= 1.2.0)
+    kaminari-activerecord (1.2.0)
       activerecord
-      kaminari-core (= 1.1.1)
-    kaminari-core (1.1.1)
+      kaminari-core (= 1.2.0)
+    kaminari-core (1.2.0)
     kaminari-i18n (0.5.0)
       kaminari
       rails
-    launchy (2.4.3)
-      addressable (~> 2.3)
-    leaflet-rails (1.3.1)
+    launchy (2.5.0)
+      addressable (~> 2.7)
+    leaflet-rails (1.5.1)
       rails (>= 4.2.0)
-    loofah (2.2.2)
+    loofah (2.4.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    mail (2.7.0)
+    mail (2.7.1)
       mini_mime (>= 0.1.1)
-    method_source (0.9.0)
-    mime-types (3.1)
+    method_source (0.9.2)
+    mime-types (3.3.1)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0521)
+    mime-types-data (3.2019.1009)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
-    minitest (5.11.3)
-    multi_json (1.13.1)
-    multipart-post (2.0.0)
-    nio4r (2.3.0)
-    nokogiri (1.10.7)
+    minitest (5.14.0)
+    multi_json (1.14.1)
+    multipart-post (2.1.1)
+    nio4r (2.5.2)
+    nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
-    omniauth (1.8.1)
-      hashie (>= 3.4.6, < 3.6.0)
+    omniauth (1.9.0)
+      hashie (>= 3.4.6, < 3.7.0)
       rack (>= 1.6.2, < 3)
     omniauth-browserid (0.0.1)
       faraday
       multi_json
       omniauth (~> 1.0)
-    pry (0.11.3)
+    pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    pry-rails (0.3.6)
+    pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (4.0.3)
-    puma (3.11.4)
-    rack (2.1.1)
+    puma (4.3.3)
+      nio4r (~> 2.0)
+    rack (2.2.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
-    rails (5.1.6)
-      actioncable (= 5.1.6)
-      actionmailer (= 5.1.6)
-      actionpack (= 5.1.6)
-      actionview (= 5.1.6)
-      activejob (= 5.1.6)
-      activemodel (= 5.1.6)
-      activerecord (= 5.1.6)
-      activesupport (= 5.1.6)
+    rails (5.1.7)
+      actioncable (= 5.1.7)
+      actionmailer (= 5.1.7)
+      actionpack (= 5.1.7)
+      actionview (= 5.1.7)
+      activejob (= 5.1.7)
+      activemodel (= 5.1.7)
+      activerecord (= 5.1.7)
+      activesupport (= 5.1.7)
       bundler (>= 1.3.0)
-      railties (= 5.1.6)
+      railties (= 5.1.7)
       sprockets-rails (>= 2.0.0)
-    rails-controller-testing (1.0.2)
-      actionpack (~> 5.x, >= 5.0.1)
-      actionview (~> 5.x, >= 5.0.1)
-      activesupport (~> 5.x)
+    rails-controller-testing (1.0.4)
+      actionpack (>= 5.0.1.x)
+      actionview (>= 5.0.1.x)
+      activesupport (>= 5.0.1.x)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
-    rails-i18n (5.1.1)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
+    rails-i18n (5.1.3)
       i18n (>= 0.7, < 2)
       railties (>= 5.0, < 6)
-    railties (5.1.6)
-      actionpack (= 5.1.6)
-      activesupport (= 5.1.6)
+    railties (5.1.7)
+      actionpack (= 5.1.7)
+      activesupport (= 5.1.7)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.3.1)
+    rake (13.0.1)
     rdoc (4.3.0)
-    regexp_parser (1.6.0)
+    regexp_parser (1.7.0)
     rest-client (1.6.7)
       mime-types (>= 1.16)
-    rspec-core (3.7.1)
-      rspec-support (~> 3.7.0)
-    rspec-expectations (3.7.0)
+    rspec-core (3.9.1)
+      rspec-support (~> 3.9.1)
+    rspec-expectations (3.9.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.7.0)
-    rspec-mocks (3.7.0)
+      rspec-support (~> 3.9.0)
+    rspec-mocks (3.9.1)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.7.0)
-    rspec-rails (3.7.2)
+      rspec-support (~> 3.9.0)
+    rspec-rails (3.9.0)
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       railties (>= 3.0)
-      rspec-core (~> 3.7.0)
-      rspec-expectations (~> 3.7.0)
-      rspec-mocks (~> 3.7.0)
-      rspec-support (~> 3.7.0)
-    rspec-support (3.7.1)
+      rspec-core (~> 3.9.0)
+      rspec-expectations (~> 3.9.0)
+      rspec-mocks (~> 3.9.0)
+      rspec-support (~> 3.9.0)
+    rspec-support (3.9.2)
     sass (3.4.25)
-    sass-rails (5.0.7)
-      railties (>= 4.0.0, < 6)
-      sass (~> 3.1)
-      sprockets (>= 2.8, < 4.0)
-      sprockets-rails (>= 2.0, < 4.0)
-      tilt (>= 1.1, < 3)
+    sass-rails (6.0.0)
+      sassc-rails (~> 2.1, >= 2.1.1)
+    sassc (2.2.1)
+      ffi (~> 1.9)
+    sassc-rails (2.1.2)
+      railties (>= 4.0.0)
+      sassc (>= 2.0)
+      sprockets (> 3.0)
+      sprockets-rails
+      tilt
     sdoc (0.4.2)
       json (~> 1.7, >= 1.7.7)
       rdoc (~> 4.0)
-    shoulda-matchers (3.1.2)
+    shoulda-matchers (3.1.3)
       activesupport (>= 4.0.0)
-    simplecov (0.16.1)
+    simplecov (0.18.5)
       docile (~> 1.1)
-      json (>= 1.8, < 3)
-      simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.2)
-    slim (3.0.9)
+      simplecov-html (~> 0.11)
+    simplecov-html (0.12.2)
+    slim (4.0.1)
       temple (>= 0.7.6, < 0.9)
-      tilt (>= 1.3.3, < 2.1)
-    slim-rails (3.1.3)
+      tilt (>= 2.0.6, < 2.1)
+    slim-rails (3.2.0)
       actionpack (>= 3.1)
       railties (>= 3.1)
-      slim (~> 3.0)
-    spring (2.0.2)
-      activesupport (>= 4.2)
+      slim (>= 3.0, < 5.0)
+    spring (2.1.0)
     spring-commands-rspec (1.0.4)
       spring (>= 0.9.1)
-    sprockets (3.7.1)
+    sprockets (4.0.0)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.2.1)
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    sqlite3 (1.3.13)
-    temple (0.8.0)
+    sqlite3 (1.4.2)
+    temple (0.8.2)
     term-ansicolor (1.2.2)
       tins (~> 0.8)
     thor (0.18.1)
     thread_safe (0.3.6)
-    tilt (2.0.8)
+    tilt (2.0.10)
     tins (0.13.2)
-    turbolinks (5.1.1)
-      turbolinks-source (~> 5.1)
-    turbolinks-source (5.1.0)
-    tzinfo (1.2.5)
+    turbolinks (5.2.1)
+      turbolinks-source (~> 5.2)
+    turbolinks-source (5.2.0)
+    tzinfo (1.2.6)
       thread_safe (~> 0.1)
-    uglifier (4.1.9)
+    uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
-    validate_url (1.0.2)
+    validate_url (1.0.8)
       activemodel (>= 3.0.0)
-      addressable
+      public_suffix
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.3)
+    websocket-extensions (0.1.4)
     xpath (3.2.0)
       nokogiri (~> 1.8)