gem updates:

code_analyzer to 0.4.0
faker to 1.2.0
faraday to 0.8.8
guard to 1.8.2
listen to 1.3.0
method_source to 0.8.1
mime-types to 1.23
multi_json to 1.7.7
multi_xml to 0.5.4
parser to 2.0.0.pre6
powerpack to 0.0.3
rails_best_practices to 1.14.1
rb-inotify to 0.9.1
rspec-core to 2.14.5
rspec-expectations to 2.14.2
rspec-mocks to 2.14.3
rubocop to 0.11.1
ruby-progressbar to 1.2.0
sass to 3.2.10
shoudla-matchers to 2.3.0
slim to 2.0.1
temple to 0.6.6
treetop to 1.4.15