Merge pull request #663 from rocky-jaiswal/minor/less_verbose_dev_logging

Add quiet_assets to reduce noise in dev environment.

Gemfile

@@ -93,6 +93,7 @@ group :development do
   gem 'better_errors'
   gem 'binding_of_caller'
   gem 'letter_opener'
+  gem 'quiet_assets'
 end
 
 group :development, :test do

Gemfile.lock

@@ -218,6 +218,8 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
+    quiet_assets (1.1.0)
+      railties (>= 3.1, < 5.0)
     rack (1.5.2)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -375,6 +377,7 @@ DEPENDENCIES
   pg
   poltergeist (~> 1.5.1)
   pry
+  quiet_assets
   rails (= 4.1.9)
   rails_12factor
   rake (>= 10.0.0)