bump handlebars_assets

Gemfile

@@ -85,7 +85,7 @@ gem 'entypo-rails', '2.2.2'
 # JavaScript
 
 gem 'backbone-on-rails',                                '1.1.2'
-gem 'handlebars_assets',                                '0.18.0'
+gem 'handlebars_assets',                                '0.20.1'
 gem 'jquery-rails',                                     '3.1.2'
 gem 'rails-assets-jquery',                              '1.11.1' # Should be kept in sync with jquery-rails
 gem 'js_image_paths',                                   '0.0.2'

Gemfile.lock

@@ -320,11 +320,11 @@ GEM
       rspec (>= 2.99.0, < 4.0)
     haml (4.0.6)
       tilt
-    handlebars_assets (0.18)
-      execjs (>= 1.2.9)
-      multi_json
-      sprockets (>= 2.0.3)
-      tilt
+    handlebars_assets (0.20.1)
+      execjs (~> 2.0)
+      multi_json (~> 1.0)
+      sprockets (~> 2.0)
+      tilt (~> 1.2)
     hashie (3.3.1)
     hike (1.2.3)
     hiredis (0.5.2)
@@ -397,6 +397,7 @@ GEM
     multi_test (0.1.1)
     multi_xml (0.5.5)
     multipart-post (2.0.0)
+    mysql2 (0.3.18)
     nenv (0.2.0)
     nested_form (0.3.2)
     net-scp (1.2.1)
@@ -438,7 +439,6 @@ GEM
       faraday (~> 0.9.0)
       nokogiri (~> 1.6)
     orm_adapter (0.5.0)
-    pg (0.18.1)
     phantomjs (1.9.8.0)
     pry (0.10.1)
       coderay (~> 1.1.0)
@@ -722,7 +722,7 @@ DEPENDENCIES
   guard-cucumber (= 1.5.3)
   guard-rspec (= 4.5.0)
   haml (= 4.0.6)
-  handlebars_assets (= 0.18.0)
+  handlebars_assets (= 0.20.1)
   http_accept_language (= 2.0.5)
   i18n-inflector-rails (= 1.0.7)
   jasmine (= 2.2.0)
@@ -737,6 +737,7 @@ DEPENDENCIES
   mini_magick (= 4.1.0)
   minitest
   mobile-fu (= 1.3.1)
+  mysql2 (= 0.3.18)
   nokogiri (= 1.6.6.2)
   omniauth (= 1.2.2)
   omniauth-facebook (= 1.6.0)
@@ -744,7 +745,6 @@ DEPENDENCIES
   omniauth-twitter (= 1.0.1)
   omniauth-wordpress (= 0.2.1)
   open_graph_reader (= 0.4.0)
-  pg (= 0.18.1)
   pry
   pry-byebug
   pry-debundle