Update dependencies

Gemfile.lock

@@ -1,129 +1,128 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activemodel (4.2.3)
-      activesupport (= 4.2.3)
-      builder (~> 3.1)
-    activerecord (4.2.3)
-      activemodel (= 4.2.3)
-      activesupport (= 4.2.3)
-      arel (~> 6.0)
-    activesupport (4.2.3)
+    activemodel (5.1.3)
+      activesupport (= 5.1.3)
+    activerecord (5.1.3)
+      activemodel (= 5.1.3)
+      activesupport (= 5.1.3)
+      arel (~> 8.0)
+    activesupport (5.1.3)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (~> 0.7)
-      json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
-      thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.3.8)
-    arel (6.0.2)
-    aws-sdk (2.2.3)
-      aws-sdk-resources (= 2.2.3)
-    aws-sdk-core (2.2.3)
+    addressable (2.5.2)
+      public_suffix (>= 2.0.2, < 4.0)
+    arel (8.0.0)
+    aws-sdk (2.10.39)
+      aws-sdk-resources (= 2.10.39)
+    aws-sdk-core (2.10.39)
+      aws-sigv4 (~> 1.0)
       jmespath (~> 1.0)
-    aws-sdk-resources (2.2.3)
-      aws-sdk-core (= 2.2.3)
-    backports (3.6.6)
-    bigdecimal (1.2.7)
-    builder (3.2.2)
-    capybara (2.5.0)
+    aws-sdk-resources (2.10.39)
+      aws-sdk-core (= 2.10.39)
+    aws-sigv4 (1.0.2)
+    backports (3.8.0)
+    bigdecimal (1.3.2)
+    capybara (2.13.0)
+      addressable
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
-    capybara-webkit (1.7.1)
-      capybara (>= 2.3.0, < 2.6.0)
+    capybara-webkit (1.14.0)
+      capybara (>= 2.3.0, < 2.14.0)
       json
-    celluloid (0.16.0)
-      timers (~> 4.0.0)
-    coderay (1.1.0)
-    database_cleaner (1.4.1)
-    diff-lcs (1.2.5)
-    dotenv (2.1.0)
-    factory_girl (4.5.0)
+    coderay (1.1.2)
+    concurrent-ruby (1.0.5)
+    database_cleaner (1.6.1)
+    diff-lcs (1.3)
+    dotenv (2.2.1)
+    factory_girl (4.8.0)
       activesupport (>= 3.0.0)
-    ffi (1.9.10)
-    hitimes (1.2.2)
-    i18n (0.7.0)
-    jmespath (1.1.3)
-    json (1.8.3)
+    ffi (1.9.18)
+    i18n (0.8.6)
+    jmespath (1.3.1)
+    json (2.1.0)
     launchy (2.4.3)
       addressable (~> 2.3)
-    listen (2.10.1)
-      celluloid (~> 0.16.0)
+    listen (3.1.1)
       rb-fsevent (>= 0.9.3)
-      rb-inotify (>= 0.9)
+      rb-inotify (>= 0.9.7)
     method_source (0.8.2)
-    mime-types (3.0)
+    mime-types (3.1)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2015.1120)
-    mini_portile2 (2.0.0)
-    minitest (5.7.0)
-    multi_json (1.11.2)
-    nokogiri (1.6.7)
-      mini_portile2 (~> 2.0.0.rc2)
-    pry (0.10.1)
+    mime-types-data (3.2016.0521)
+    mini_portile2 (2.2.0)
+    minitest (5.10.3)
+    multi_json (1.12.2)
+    mustermann (1.0.1)
+    nokogiri (1.8.0)
+      mini_portile2 (~> 2.2.0)
+    pry (0.10.4)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
-    rack (1.6.4)
-    rack-protection (1.5.3)
+    public_suffix (3.0.0)
+    rack (2.0.3)
+    rack-protection (2.0.0)
       rack
-    rack-test (0.6.3)
-      rack (>= 1.0)
-    rake (10.4.2)
-    rb-fsevent (0.9.5)
-    rb-inotify (0.9.5)
-      ffi (>= 0.5.0)
-    rerun (0.10.0)
-      listen (~> 2.7, >= 2.7.3)
-    rspec (3.4.0)
-      rspec-core (~> 3.4.0)
-      rspec-expectations (~> 3.4.0)
-      rspec-mocks (~> 3.4.0)
-    rspec-core (3.4.1)
-      rspec-support (~> 3.4.0)
-    rspec-expectations (3.4.0)
+    rack-test (0.7.0)
+      rack (>= 1.0, < 3)
+    rake (12.0.0)
+    rb-fsevent (0.10.2)
+    rb-inotify (0.9.10)
+      ffi (>= 0.5.0, < 2)
+    rerun (0.11.0)
+      listen (~> 3.0)
+    rspec (3.6.0)
+      rspec-core (~> 3.6.0)
+      rspec-expectations (~> 3.6.0)
+      rspec-mocks (~> 3.6.0)
+    rspec-core (3.6.0)
+      rspec-support (~> 3.6.0)
+    rspec-expectations (3.6.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.4.0)
-    rspec-mocks (3.4.0)
+      rspec-support (~> 3.6.0)
+    rspec-mocks (3.6.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.4.0)
-    rspec-support (3.4.1)
-    sinatra (1.4.6)
-      rack (~> 1.4)
-      rack-protection (~> 1.4)
-      tilt (>= 1.3, < 3)
-    sinatra-activerecord (2.0.6)
+      rspec-support (~> 3.6.0)
+    rspec-support (3.6.0)
+    sinatra (2.0.0)
+      mustermann (~> 1.0)
+      rack (~> 2.0)
+      rack-protection (= 2.0.0)
+      tilt (~> 2.0)
+    sinatra-activerecord (2.0.13)
       activerecord (>= 3.2)
-      sinatra (~> 1.0)
-    sinatra-contrib (1.4.6)
+      sinatra (>= 1.0)
+    sinatra-contrib (2.0.0)
       backports (>= 2.0)
       multi_json
-      rack-protection
-      rack-test
-      sinatra (~> 1.4.0)
+      mustermann (~> 1.0)
+      rack-protection (= 2.0.0)
+      sinatra (= 2.0.0)
       tilt (>= 1.3, < 3)
     sinatra-flash (0.3.0)
       sinatra (>= 1.0.0)
-    slim (3.0.6)
-      temple (~> 0.7.3)
+    slim (3.0.8)
+      temple (>= 0.7.6, < 0.9)
       tilt (>= 1.3.3, < 2.1)
     slop (3.6.0)
-    sqlite3 (1.3.10)
-    temple (0.7.6)
-    thread_safe (0.3.5)
-    tilt (2.0.1)
-    timers (4.0.1)
-      hitimes
-    tzinfo (1.2.2)
+    sqlite3 (1.3.13)
+    temple (0.8.0)
+    thread_safe (0.3.6)
+    tilt (2.0.8)
+    tzinfo (1.2.3)
       thread_safe (~> 0.1)
-    tzinfo-data (1.2015.7)
+    tzinfo-data (1.2017.2)
       tzinfo (>= 1.0.0)
     validate_url (1.0.2)
       activemodel (>= 3.0.0)
       addressable
-    xpath (2.0.0)
+    xpath (2.1.0)
       nokogiri (~> 1.3)
 
 PLATFORMS
@@ -152,4 +151,4 @@ DEPENDENCIES
   validate_url
 
 BUNDLED WITH
-   1.10.6
+   1.15.3

db/migrate/20150721142956_add_links.rb

@@ -1,4 +1,4 @@
-class AddLinks < ActiveRecord::Migration
+class AddLinks < ActiveRecord::Migration[4.2]
   def change
     create_table :links do |t|
       t.string :title

db/migrate/20150721201947_change_link_to_url.rb

@@ -1,4 +1,4 @@
-class ChangeLinkToUrl < ActiveRecord::Migration
+class ChangeLinkToUrl < ActiveRecord::Migration[4.2]
   def change
     rename_column :links, :link, :url
   end