Fixed failing test cases and added new test cases.
Refactored commit service methods.
Merge branch 'master' of https://github.com/lijupm/StashApiBundle
Adding TagService
Implementing code review changes.
Merge pull request #2 from lijupm/master

Fixed failing test cases and added new test cases
Upgraded to Symfony 2.2
Made the dependency less implicit
Made the Symfony dependency less implicit.
Allow dev-packages
Merge branch 'master' of https://github.com/MedicoreNL/StashApiBundle into feature/pullrequest-service

Conflicts:
	Service/AbstractService.php
	Service/CommitsService.php
	Service/FilesService.php
	Tests/Service/BranchesServiceTest.php
	Tests/Service/CommitsServiceTest.php
	Tests/Service/FilesServiceTest.php
Syntax error.