seperate dropping foreign key and delete column into two changesets
Made concept source required when searching drug(s) by mapping and removed includeRetired argument from ConceptService.getDrugByMapping - TRUNK-4214
Improving IsOrderFrequencyInUse for: Add  missing CRUD methods for Order
Frequency - TRUNK-4188
Responding to review comments for: Add an OrderFrequencyValidator -
TRUNK-4192
Using getReturnedClass for: Add  missing CRUD methods for Order
Frequency - TRUNK-4188
TRUNK-4300 - OpenmrsCookieThemeResolver should never throw an exception, because that would break the uncaughtException page

(cherry picked from commit cf9f6e1f29d66fab9e80ffc7723f461fa3327b22)
TRUNK-4286: OrderType classes, xml and hibernate configuration added