change travis settings, now use the same ruby versions like origin and moped
merge ActiveSupport::Inflector code in spec_helper
Merge pull request #3051 from timoschilling/inflectr

merge ActiveSupport::Inflector code in spec_helper
No need to drop db after suite on travis
Merge pull request #3048 from timoschilling/patch-1

change travis settings, now use the same ruby versions like origin and moped