Added dependencies for Rails 3.2 + an updated version of database_cleaner.
Added dependencies for Rails 3.2 + an updated version of database_cleaner.

Closes #190

rdutra/globalize3,LyriD/globalize3,Buyapowa/globalize,mysociety/globalize,aalfson/globalize,DaveahamLincoln/globalizer_refinery_patch,goarch/globalize,2947721120/globalize,tuv/globalize3,andreazaupa/globalize3,distribusion/globalize,ASnow/globalize,awernick/globalize,trongrg/single_table_globalize3,gaganawhad/globalize-cache-key,reevoo/globalize3