Update infrastructure, change UUID to use random_create everywhere due to UUID bugs
Remove explicit mime-types dependency
Update cancancan to version 1.9.1
Update mini_magick to version 3.8.0
Update nokogiri to version 1.6.3.1
Update parallel to version 1.1.2
Update rails-assets-select2 to version 3.5.1
Update rake to version 10.3.2
Update rspec to version 3.0.3
Update rspec-rails to version 3.0.2
Update simplecov to version 0.9.0
Update slop to version 3.6.0
Update uglifier to version 2.5.3
Update cucumber to version 1.3.16
Update rails to version 4.0.8