Update newrelic_rpm gem to 3.6.7.159
Update rspec-expectations gem 2.14.3
Update guard-rspec gem 3.1.0
Update unicorn-worker-killer gem 0.4.2
Update RubyGems version to 2.1.5 (security bugfix release) [ci skip]
Update awesome_nested_set gem to 3.0.0.rc.2
Update tins gem to 0.11.0
Update execjs gem to 2.0.2
Update sass gem to 3.2.11
Update redis gem to 3.0.5
Update tzinfo gem to 0.3.38
Update multi_json gem to 1.8.1
Update devise gem to 3.1.1
Update wirb gem to 1.0.2
Update gettext gem to 3.0.2
Update gettext_i18n_rails gem to 1.0.1
Update newrelic_rpm gem to 3.6.8.164
Update tins gem to 0.12.0
Update sass gem to 3.2.12
Update temple gem to 0.6.7