diff --git a/Gemfile.lock b/Gemfile.lock
index 267e6b6..292c45b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,50 +1,50 @@
 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 (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
     arel (8.0.0)
-    bindex (0.5.0)
+    bindex (0.8.1)
     buftok (0.2.0)
     builder (3.2.3)
-    byebug (10.0.2)
+    byebug (11.0.1)
     capybara (2.18.0)
       addressable
       mini_mime (>= 0.1.3)
@@ -52,8 +52,7 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (>= 2.0, < 4.0)
-    childprocess (0.9.0)
-      ffi (~> 1.0, >= 1.0.11)
+    childprocess (3.0.0)
     chronic (0.10.2)
     coffee-rails (4.2.2)
       coffee-script (>= 2.2.0)
@@ -62,30 +61,29 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.0.5)
-    crass (1.0.4)
-    domain_name (0.5.20180417)
+    concurrent-ruby (1.1.5)
+    crass (1.0.5)
+    domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
     equalizer (0.0.11)
-    erubi (1.7.1)
+    erubi (1.9.0)
     execjs (2.7.0)
-    ffi (1.9.23)
-    globalid (0.4.1)
+    ffi (1.11.2)
+    globalid (0.4.2)
       activesupport (>= 4.2.0)
-    http (3.2.0)
+    http (3.3.0)
       addressable (~> 2.3)
       http-cookie (~> 1.0)
       http-form_data (~> 2.0)
       http_parser.rb (~> 0.6.0)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
-    http-form_data (2.1.0)
+    http-form_data (2.1.1)
     http_parser.rb (0.6.0)
-    i18n (1.0.1)
+    i18n (1.7.0)
       concurrent-ruby (~> 1.0)
-    jbuilder (2.7.0)
+    jbuilder (2.9.1)
       activesupport (>= 4.2.0)
-      multi_json (>= 1.2)
     kaminari (1.1.1)
       activesupport (>= 4.1.0)
       kaminari-actionview (= 1.1.1)
@@ -103,60 +101,59 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.2)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    mail (2.7.0)
+    mail (2.7.1)
       mini_mime (>= 0.1.1)
     memoizable (0.4.2)
       thread_safe (~> 0.3, >= 0.3.1)
-    method_source (0.9.0)
-    mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
-    minitest (5.11.3)
-    multi_json (1.13.1)
-    multipart-post (2.0.0)
-    mysql2 (0.5.1)
+    method_source (0.9.2)
+    mini_mime (1.0.2)
+    mini_portile2 (2.4.0)
+    minitest (5.13.0)
+    multipart-post (2.1.1)
+    mysql2 (0.5.2)
     naught (1.1.0)
-    nio4r (2.3.0)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
-    public_suffix (3.0.2)
-    puma (3.11.4)
-    rack (2.0.4)
-    rack-test (1.0.0)
+    nio4r (2.5.2)
+    nokogiri (1.10.5)
+      mini_portile2 (~> 2.4.0)
+    public_suffix (4.0.1)
+    puma (3.12.1)
+    rack (2.0.7)
+    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-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
-    railties (5.1.6)
-      actionpack (= 5.1.6)
-      activesupport (= 5.1.6)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
+    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)
     rb-fsevent (0.10.3)
-    rb-inotify (0.9.10)
-      ffi (>= 0.5.0, < 2)
+    rb-inotify (0.10.0)
+      ffi (~> 1.0)
     ref (2.0.0)
     ruby_dep (1.5.0)
-    rubyzip (1.2.1)
-    sass (3.5.6)
+    rubyzip (2.0.0)
+    sass (3.7.4)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -167,32 +164,31 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    selenium-webdriver (3.11.0)
-      childprocess (~> 0.5)
-      rubyzip (~> 1.2)
+    selenium-webdriver (3.142.6)
+      childprocess (>= 0.5, < 4.0)
+      rubyzip (>= 1.2.2)
     simple_oauth (0.3.1)
-    spring (2.0.2)
-      activesupport (>= 4.2)
+    spring (2.1.0)
     spring-watcher-listen (2.0.1)
       listen (>= 2.7, < 4.0)
       spring (>= 1.2, < 3.0)
-    sprockets (3.7.1)
+    sprockets (3.7.2)
       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)
+    sqlite3 (1.4.1)
     therubyracer (0.12.3)
       libv8 (~> 3.16.14.15)
       ref
-    thor (0.20.0)
+    thor (0.20.3)
     thread_safe (0.3.6)
-    tilt (2.0.8)
-    turbolinks (5.1.1)
-      turbolinks-source (~> 5.1)
-    turbolinks-source (5.1.0)
+    tilt (2.0.10)
+    turbolinks (5.2.1)
+      turbolinks-source (~> 5.2)
+    turbolinks-source (5.2.0)
     twitter (6.2.0)
       addressable (~> 2.3)
       buftok (~> 0.2.0)
@@ -206,22 +202,22 @@ GEM
       simple_oauth (~> 0.3.0)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    uglifier (4.1.10)
+    uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.7.5)
-    web-console (3.6.1)
+    unf_ext (0.0.7.6)
+    web-console (3.7.0)
       actionview (>= 5.0)
       activemodel (>= 5.0)
       bindex (>= 0.4.0)
       railties (>= 5.0)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.3)
-    whenever (0.10.0)
+    websocket-extensions (0.1.4)
+    whenever (1.0.0)
       chronic (>= 0.6.3)
-    xpath (3.0.0)
+    xpath (3.2.0)
       nokogiri (~> 1.8)
 
 PLATFORMS
@@ -252,4 +248,4 @@ DEPENDENCIES
   whenever
 
 BUNDLED WITH
-   1.16.1
+   1.17.2