Upgrade to rails 4.2.0.alpha-edge
(fixes issue with updated_at always updating on Level.save)
* update various gem versions
* fix various minor issues in test suite and deprecated methods
* add Spring and minitest reporters (supports RubyMine test integration)
Don't wrap lines when generating match/multi.en.yml.  Newlines were causing issues with some translations.
Merge pull request #969 from code-dot-org/rails-4.2-edge

Rails 4.2 edge
Automatically built
Automatically built
Merge pull request #979 from code-dot-org/finished

deploy to level-builder