Merge pull request #58 from Rameos/dev-clue

Implemented Clue and ClueManager
Merge pull request #59 from Rameos/dev-clue

ClueManager. Updated function to not activate found clues on level trans...
Merge pull request #60 from Rameos/dev-clue

Implemented Notebook script
Implemented Notebook script
Added new test scene_3
Merge pull request #61 from Rameos/dev-clue

Added new test scene_3
repair merge errors
repair merge errors