FileSystemTestCase: Added helper method to create files with an NSData content.
Fixing tests.
Test helper added to create and assert PNG files with a certain size.
Refactoring: Moved method from ResourceManagerUtil to find a relative path for an absolute path to ProjectSettings class.
Step needed to decouple PublishImageOperation from ResourceManagerUtil.
In the end ResourceManagerUtil used the values of the ProjectSettings, which are already available in PublishImageOperation.
Refactoring: Using new fineRelativePath method of ProjectSettings for publishing.
FileSystemTestCase helper added to copy bundle resource to the testing temp folder.
PublishImageOperation's dependency to ResourceManager decreased.
CCBPublisher first test case added.
Blank.wav as test resource added.