add updated Gemfile.lock

.ruby-version

@@ -1 +1 @@
-2.2.5
+2.3.1

Gemfile.lock

@@ -1,6 +1,19 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    actionpack (4.2.7)
+      actionview (= 4.2.7)
+      activesupport (= 4.2.7)
+      rack (~> 1.6)
+      rack-test (~> 0.6.2)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    actionview (4.2.7)
+      activesupport (= 4.2.7)
+      builder (~> 3.1)
+      erubis (~> 2.7.0)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
     activemodel (4.2.7)
       activesupport (= 4.2.7)
       builder (~> 3.1)
@@ -55,6 +68,7 @@ GEM
       safe_yaml (~> 1.0.0)
     diff-lcs (1.2.5)
     docile (1.1.5)
+    erubis (2.7.0)
     ffi (1.9.14)
     git (1.3.0)
     haml (4.0.7)
@@ -64,6 +78,8 @@ GEM
     json (1.8.3)
     launchy (2.4.3)
       addressable (~> 2.3)
+    loofah (2.0.3)
+      nokogiri (>= 1.5.9)
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
@@ -80,11 +96,22 @@ GEM
     powerpack (0.1.1)
     puma (3.6.0)
     rack (1.6.4)
+    rack-google-analytics (1.2.0)
+      actionpack
+      activesupport
     rack-protection (1.5.3)
       rack
     rack-test (0.6.3)
       rack (>= 1.0)
     rack-timeout (0.4.2)
+    rails-deprecated_sanitizer (1.0.3)
+      activesupport (>= 4.2.0.alpha)
+    rails-dom-testing (1.0.7)
+      activesupport (>= 4.2.0.beta, < 5.0)
+      nokogiri (~> 1.6.0)
+      rails-deprecated_sanitizer (>= 1.0.1)
+    rails-html-sanitizer (1.0.3)
+      loofah (~> 2.0)
     rainbow (2.1.0)
     rake (11.2.2)
     rb-fsevent (0.9.7)
@@ -112,6 +139,8 @@ GEM
     ruby-progressbar (1.8.1)
     safe_yaml (1.0.4)
     sass (3.4.22)
+    shotgun (0.9.1)
+      rack (>= 1.0)
     simplecov (0.12.0)
       docile (~> 1.1.0)
       json (>= 1.8, < 3)
@@ -154,8 +183,8 @@ GEM
       hashdiff
     xpath (2.0.0)
       nokogiri (~> 1.3)
-    zen-grids (2.0.3)
-      sass (~> 3.3)
+    zen-grids (1.4)
+      sass (>= 3.1)
 
 PLATFORMS
   ruby
@@ -174,20 +203,22 @@ DEPENDENCIES
   mysql2 (~> 0.4)
   puma (~> 3.6)
   rack (~> 1.6)
+  rack-google-analytics (~> 1.2)
   rack-test (~> 0.6)
   rack-timeout (~> 0.4)
   rake (~> 11.2)
   rspec (~> 3.5)
   rubocop (~> 0.42)
   sass (~> 3.4.22)
+  shotgun (~> 0.9)
   sinatra (~> 1.4)
   sinatra-activerecord (~> 2.0)
   sinatra-flash (~> 0.3)
   sinatra-redirect-with-flash (~> 0.2)
   sinatra-reloader (~> 1.0)
   travis-lint (~> 2.0)
   webmock (~> 2.1)
-  zen-grids (~> 2.0)
+  zen-grids (~> 1.4)
 
 BUNDLED WITH
    1.12.5