Merge pull request #136 from votinginfoproject/develop

Updated Supported Elections and fix the error being thrown in TravisCI by Homebrew.
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'master' of github.com:votinginfoproject/ios7-white-label-app
Merge branch 'release/v2.0.0'

Changelog:
  - Update to Civic Info API v2
  - Remove CoreData
  - Update caching logic: now saves most recent search in cache
                          until a new search or election expires
  - iOS8 support
  - Update i18n strings
  - Misc bugfixes, see closed Github issues
Merge tag 'v2.0.0' into develop

v2.0.0