Merge pull request #262 from aaronvb/fix_generator_append_to_gemfile

Fix Bootstrap Sass Append to Gemfile

Author: justin808

lib/generators/react_on_rails/bootstrap_generator.rb

@@ -62,7 +62,7 @@ def strip_application_scss_of_incompatible_sprockets_statements
       end
 
       def add_bootstrap_sprockets_to_gemfile
-        append_to_file("Gemfile", "gem 'bootstrap-sass'\n")
+        append_to_file("Gemfile", "\ngem 'bootstrap-sass'\n")
       end
 
       def add_bootstrap_sprockets_to_application_js