Bump cal-heatmap-rails to ~> 3.5.0

Gemfile

@@ -172,7 +172,7 @@ gem 'ruby-fogbugz', '~> 0.2.1'
 gem 'd3_rails', '~> 3.5.5'
 #cal-heatmap
-gem "cal-heatmap-rails", "~> 0.0.1"
+gem 'cal-heatmap-rails', '~> 3.5.0'
 # underscore-rails
 gem "underscore-rails", "~> 1.8.0"

Gemfile.lock

@@ -106,7 +106,7 @@ GEM
       bundler (~> 1.2)
       thor (~> 0.18)
     byebug (8.2.1)
-    cal-heatmap-rails (0.0.1)
+    cal-heatmap-rails (3.5.1)
     capybara (2.4.4)
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
@@ -849,7 +849,7 @@ DEPENDENCIES
   bullet
   bundler-audit
   byebug
-  cal-heatmap-rails (~> 0.0.1)
+  cal-heatmap-rails (~> 3.5.0)
   capybara (~> 2.4.0)
   capybara-screenshot (~> 1.0.0)
   carrierwave (~> 0.9.0)