Changed listeners extending the defaults

Changed listeners extending the defaults provided by zf-mvc-auth
Revert 68e90ff..8bbaaca

This rolls back to commit 68e90ffbcd1c034eaa6117cade5824e63de7842a.
Added the header go http response
Update ZF2 requirement

- Can now be simply "~2.3"
Added zf-apigility-provider as a dependency

- Since modules targeting the Apigility engine typically will implement this,
  add it as a dep so that it's not accidentally missed.
Merge branch 'hotfix/provider-dep'

Added zf-apigility-provider as a dependency.
Implement a PSR-4 autoloader

- Creates an extension of the ZF2 StandardAutoloader that does not translate
  underscores to directory separators; as such, it now implements PSR-4.
  Additionally, this will allow underscores in both API and service names.
Merge branch 'feature/psr-4-autoloader'

Implements a PSR-4 autoloader, allowing end-users to use underscores in both API
and service names.
PSR-4 + QA toolchain

- Updates package structure to use PSR-4
- Adds Coveralls, php-cs-fixer, and Travis-CI support
Add travis and coveralls badges
Merge branch 'hotfix/psr-4'

Close #24
Fixed the Unauthorized listener to pass on headers from the MvcEvent Response
Added missing unit test for UnauthorizedListener, with test for fix
CS: Removed trailing space
[#26] CS fixes

- Gave more semantic name to first test method
- Added file-level docblock to test class
Merge branch 'hotfix/26'

Close #26
Initial skeleton of README documentation
Improvements to README
Merge pull request #30 from zfcampus/feature/readme-documentation

README Documentation
[#30] Reviewed and edited
Merge branch 'feature/30'

Close #30