Added Screens
Added Director
Updated Director example to add and load scenes
improved working of director and screens
added position change to glue logo to show that the object state is being kept in the director example
removed cache
changed obj to module in modules
changed obj to object in components
changed component to object in components
Added explain texts and movable to the director example
changed scalable example to scale proportionally because it looks better
improved hide screen with string check
added removeScreen
removed todo
changed title
added new documentation to read me
Merge pull request #95 from spilgames/76-screens-director

76 screens director