Update Rails and RSpec.

.ruby-version

@@ -1 +1 @@
-2.1.2
+2.2.0

Gemfile

@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-ruby "2.1.2"
+ruby "2.2.0"
 
 gem 'rails', '4.0.4'
 
@@ -26,12 +26,12 @@ group :production, :staging do
 end
 
 group :development, :test do
-  gem 'sqlite3'
+  gem 'sqlite3', '~> 1.3.10'
   gem 'heroku_san'
   gem 'heroku'
 end
 
 group :test do
-  gem "rspec-rails", "~> 3.0.1"
+  gem "rspec-rails", "~> 3.2.0"
   gem 'capybara'
 end

Gemfile.lock

@@ -76,7 +76,7 @@ GEM
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
     json (1.8.1)
-    kgio (2.8.1)
+    kgio (2.9.3)
     launchy (2.2.0)
       addressable (~> 2.3)
     less (2.5.0)
@@ -122,27 +122,28 @@ GEM
       activesupport (= 4.0.4)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    raindrops (0.12.0)
+    raindrops (0.13.0)
     rake (10.3.2)
     ref (1.0.5)
     rest-client (1.6.7)
       mime-types (>= 1.16)
-    rspec-core (3.0.0)
-      rspec-support (~> 3.0.0)
-    rspec-expectations (3.0.0)
+    rspec-core (3.2.0)
+      rspec-support (~> 3.2.0)
+    rspec-expectations (3.2.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.0.0)
-    rspec-mocks (3.0.0)
-      rspec-support (~> 3.0.0)
-    rspec-rails (3.0.1)
-      actionpack (>= 3.0)
-      activesupport (>= 3.0)
-      railties (>= 3.0)
-      rspec-core (~> 3.0.0)
-      rspec-expectations (~> 3.0.0)
-      rspec-mocks (~> 3.0.0)
-      rspec-support (~> 3.0.0)
-    rspec-support (3.0.0)
+      rspec-support (~> 3.2.0)
+    rspec-mocks (3.2.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.2.0)
+    rspec-rails (3.2.0)
+      actionpack (>= 3.0, <= 4.2)
+      activesupport (>= 3.0, <= 4.2)
+      railties (>= 3.0, <= 4.2)
+      rspec-core (~> 3.2.0)
+      rspec-expectations (~> 3.2.0)
+      rspec-mocks (~> 3.2.0)
+      rspec-support (~> 3.2.0)
+    rspec-support (3.2.0)
     rubyzip (0.9.9)
     sass (3.2.19)
     sass-rails (4.0.3)
@@ -160,7 +161,7 @@ GEM
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       sprockets (~> 2.8)
-    sqlite3 (1.3.7)
+    sqlite3 (1.3.10)
     therubyracer (0.12.1)
       libv8 (~> 3.16.14.0)
       ref
@@ -190,7 +191,7 @@ GEM
     uglifier (1.3.0)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)
-    unicorn (4.7.0)
+    unicorn (4.8.3)
       kgio (~> 2.6)
       rack
       raindrops (~> 0.7)
@@ -212,9 +213,9 @@ DEPENDENCIES
   pg
   rails (= 4.0.4)
   rails_12factor
-  rspec-rails (~> 3.0.1)
+  rspec-rails (~> 3.2.0)
   sass-rails (~> 4.0.3)
-  sqlite3
+  sqlite3 (~> 1.3.10)
   therubyracer
   twitter (~> 5.8.0)
   twitter-bootstrap-rails