RMResource new method: isSpriteSheet.
Refactoring: Modern syntax used.
Renamed method to be more concise about result.
ResourceManager with new method to locate resources by relative path.
Moved RMResource tests to correct group location in project.
Removed RMResource test for isInSpriteSheet.
Refactoring: Decoupled RMDirectory from AppDelegate.
Required projectSettings are injected instead.
RMDirectory test case for isDynamicSpriteSheet added.
Refactoring: Missing commit of renamed ResourceManager's method to get an activeDirectory.
ResourceManager added new method to detect if a resource is within a spritesheet.
Missing import added to RMResource's test cases.
Published ResourceManager's method spriteSheetContainingResource.
Reuse in ProjectSettings.
Fix for bug #755.
Sprite sheets that get a new image or lose one will be marked as dirty.
Only for move action.
ResourceManager new method to locate a spritesheet containing a full path.
Moving a sprite sheet to same path won't mark it as dirty any more.
Bugfix working in tests and running SB.
Bugfix for #755: Images deleted in a spritesheet will mark it as dirty.
Fixed test.
Fixed tests for CCBPublisherController.
Merge branch 'develop' into bugfix/755_spritesheet_preview_not_updated

Conflicts:
	SpriteBuilder/SpriteBuilder.xcodeproj/project.pbxproj
Merge pull request #814 from NickyWeber/bugfix/755_spritesheet_preview_not_updated

Bugfix/755 spritesheet preview not updated