Remove condition for Active Record <3.0
Remove condition for Active Record <3.0

Now we only support Active Record 3.1 or higher.

zvikamenahemi/pg_search,Casecommons/pg_search,undergroundwebdesigns/pg_search,Casecommons/pg_search,undergroundwebdesigns/pg_search,rigoleto/pg_search,mpivaa/pg_search,savef/pg_search,rigoleto/pg_search,zvikamenahemi/pg_search,paultyng/pg_search,mpivaa/pg_search,paultyng/pg_search,savef/pg_search