diff --git a/Gemfile.lock b/Gemfile.lock
index 8e0011d..853a271 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,29 +36,53 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.3.8)
+    addressable (2.8.4)
+      public_suffix (>= 2.0.2, < 6.0)
     arel (6.0.3)
-    builder (3.2.2)
+    builder (3.2.4)
+    concurrent-ruby (1.2.2)
+    crass (1.0.6)
+    date (3.3.3)
     descendants_tracker (0.0.4)
       thread_safe (~> 0.3, >= 0.3.1)
     docile (1.1.5)
     erubis (2.7.0)
-    faraday (0.9.2)
-      multipart-post (>= 1.2, < 3)
+    faraday (1.10.3)
+      faraday-em_http (~> 1.0)
+      faraday-em_synchrony (~> 1.0)
+      faraday-excon (~> 1.1)
+      faraday-httpclient (~> 1.0)
+      faraday-multipart (~> 1.0)
+      faraday-net_http (~> 1.0)
+      faraday-net_http_persistent (~> 1.0)
+      faraday-patron (~> 1.0)
+      faraday-rack (~> 1.0)
+      faraday-retry (~> 1.0)
+      ruby2_keywords (>= 0.0.4)
+    faraday-em_http (1.0.0)
+    faraday-em_synchrony (1.0.0)
+    faraday-excon (1.1.0)
+    faraday-httpclient (1.0.1)
+    faraday-multipart (1.0.4)
+      multipart-post (~> 2)
+    faraday-net_http (1.0.1)
+    faraday-net_http_persistent (1.2.0)
+    faraday-patron (1.0.0)
+    faraday-rack (1.0.0)
+    faraday-retry (1.0.3)
     git (1.2.9.1)
-    github_api (0.12.4)
-      addressable (~> 2.3)
+    github_api (0.19.0)
+      addressable (~> 2.4)
       descendants_tracker (~> 0.0.4)
-      faraday (~> 0.8, < 0.10)
-      hashie (>= 3.4)
-      multi_json (>= 1.7.5, < 2.0)
-      nokogiri (~> 1.6.6)
-      oauth2
-    globalid (0.3.6)
-      activesupport (>= 4.1.0)
-    hashie (3.4.3)
+      faraday (>= 0.8, < 2)
+      hashie (~> 3.5, >= 3.5.2)
+      oauth2 (~> 1.0)
+    globalid (0.4.2)
+      activesupport (>= 4.2.0)
+    hashie (3.6.0)
     highline (1.7.8)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jeweler (2.0.1)
       builder
       bundler (>= 1.0)
@@ -68,27 +92,43 @@ GEM
       nokogiri (>= 1.5.10)
       rake
       rdoc
-    json (1.8.3)
-    jwt (1.5.2)
-    loofah (2.0.3)
+    json (1.8.6)
+    jwt (2.7.0)
+    loofah (2.20.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    mail (2.6.3)
-      mime-types (>= 1.16, < 3)
-    mime-types (2.6.2)
-    mini_portile (0.6.2)
-    minitest (5.8.2)
-    multi_json (1.11.2)
-    multi_xml (0.5.5)
-    multipart-post (2.0.0)
-    nokogiri (1.6.6.2)
-      mini_portile (~> 0.6.0)
-    oauth2 (1.0.0)
-      faraday (>= 0.8, < 0.10)
-      jwt (~> 1.0)
+    mail (2.8.1)
+      mini_mime (>= 0.1.1)
+      net-imap
+      net-pop
+      net-smtp
+    mini_mime (1.1.2)
+    mini_portile2 (2.8.1)
+    minitest (5.18.0)
+    multi_json (1.15.0)
+    multi_xml (0.6.0)
+    multipart-post (2.3.0)
+    net-imap (0.3.4)
+      date
+      net-protocol
+    net-pop (0.1.2)
+      net-protocol
+    net-protocol (0.2.1)
+      timeout
+    net-smtp (0.3.3)
+      net-protocol
+    nokogiri (1.14.3)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    oauth2 (1.4.11)
+      faraday (>= 0.17.3, < 3.0)
+      jwt (>= 1.0, < 3.0)
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
-      rack (~> 1.2)
-    rack (1.6.4)
+      rack (>= 1.2, < 4)
+    public_suffix (5.0.1)
+    racc (1.6.2)
+    rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.4)
@@ -102,14 +142,14 @@ GEM
       bundler (>= 1.3.0, < 2.0)
       railties (= 4.2.4)
       sprockets-rails
-    rails-deprecated_sanitizer (1.0.3)
+    rails-deprecated_sanitizer (1.0.4)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.7)
-      activesupport (>= 4.2.0.beta, < 5.0)
-      nokogiri (~> 1.6.0)
+    rails-dom-testing (1.0.9)
+      activesupport (>= 4.2.0, < 5.0)
+      nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.2)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.5.0)
+      loofah (~> 2.19, >= 2.19.1)
     railties (4.2.4)
       actionpack (= 4.2.4)
       activesupport (= 4.2.4)
@@ -118,6 +158,7 @@ GEM
     rake (10.4.2)
     rdoc (3.12.2)
       json (~> 1.4)
+    ruby2_keywords (0.0.5)
     shoulda (3.5.0)
       shoulda-context (~> 1.0, >= 1.0.1)
       shoulda-matchers (>= 1.4.1, < 3.0)
@@ -136,8 +177,9 @@ GEM
       activesupport (>= 3.0)
       sprockets (>= 2.8, < 4.0)
     thor (0.19.1)
-    thread_safe (0.3.5)
-    tzinfo (1.2.2)
+    thread_safe (0.3.6)
+    timeout (0.3.2)
+    tzinfo (1.2.11)
       thread_safe (~> 0.1)
 
 PLATFORMS