Only run against 2.1.0 and 2.0.0 on Travis CI.
Lock mime-types version to satisfy dependencies.
Remove task which isn't working anymore.
Bump rails-i18n to ~> 4.0.1
Merge pull request #47 from greendog/master

Bump rails-i18n version to ~> 4.0.1
Add Catalan language
Merge pull request #48 from murtra/catalan

Add Catalan language