Merge pull request #73 from inthause/dev

Add new DbProvider Queries tests
[UPDATE] Add tag @api on classes that expose method that need to be in documentation
Merge pull request #74 from loiccouturier/master

[UPDATE] Add tag @api on classes that expose method that need to be in documentation
[UPDATE] Remove \Change\Application::getApplicationServices And \Change\Application::getDocumentServices
[UPDATE] Move \Change\Application\ApplicationServices::getEventManager() to \Change\Application