remove old rake task to update version
since we're not using it anymore
(see: https://github.com/rubygems/rubygems.org/pull/629#issuecomment-29638957)
Update multi_json to version 1.10.1
Update librato-metrics to version 1.4.0
Update formatador to version 0.2.5
Update database_cleaner to version 1.3.0
Update librato-rails to version 0.10.3
Update polyglot to version 0.3.5
Update capybara to version 2.3.0
Update pry to version 0.10.0
Update yajl-ruby to version 1.2.1
Use the DB version of Rubygems everywhere
Vendor Gem::Package to shield the code from rubygems changes
Restructure saving to deal with s3 errors better
Merge pull request #630 from dwradcliffe/remove-old-version-task

remove old rake task to update version
Update code to work with rubygems 2.2.2+
Optimize load_spec
Run travis on multiple rubygems
Replace format with package