Update sql script.
Merge pull request #20 from fbouquet/update_sql_scripts

Update sql script.
Updates architecture
Fixing database scripts.
Merge pull request #21 from fbouquet/hibernate_to_dao

Updates architecture
Merge pull request #22 from fbouquet/database_scripts_fix

Fixing database scripts.
Error handling for the register user service.
Merge pull request #23 from fbouquet/error_handling_register

Error handling for the register user service.
Abstracts DAO
Removes UserException that is not needed anymore.
Merge pull request #24 from fbouquet/abstract_dao

Abstract dao
Adds login webservice for users.
Adds update and delete actions to AbstractDAO, fixes #24.
Merge pull request #31 from fbouquet/abstract_dao_remaining

Adds update and delete actions to AbstractDAO, fixes #27.
Adds friend service, including create, update and delete, and adds
getFriends to user webservice.
Modifies friend creation path.
Merge pull request #32 from fbouquet/friend_service

 	Adds friend service, including create, update and delete, and adds getFriends to user, fixes #28
Solve user_login conflict + small refactor.
essaye de merge
Merge branch 'clientS46' of https://github.com/fbouquet/sogifty into clientS46