JSON JodaTime converter for Spring added withy mm/dd/yyyy format
JSON JodaTime converter for Spring added withy mm/dd/yyyy format
Modified the Database Design. So the changes in this commit reflect that change. Modified Bill related artifacts accordingly.
Added basic Hibernate, JPA and Spring config files for DAO impl
Successfully verified JPA/Hibernate initial configuration to be working properly. Now its able to successfully connect to the db and do its magic (Hibernate)
Added functionality for adding a group.
Listed friends for an user. 
Need to finish adding a new group with user memberships to json.
Some cleanup work
Merge branch 'dao-impl' of https://github.com/billrive/billrive
some cleanup work