* added sliding solution for both puzzles, the DoorPuzzle and the FlowerPuzzle
by using the edited version of xAgeSDLBoolActivatorComboSet.py in resp node-tree.
* fixed an issue with the flower puzzle, where the painting in the bath room
didn't open up when puzzle was solved.
* adjusted colliders on two thresholds in the big courtyard
* fixed some texture issues on the floor in the big courtyard and on the music podium
* adjusted mat color and vcol on instruments
* adjusted the specularity settings on the waveset - better view from above
* adjusted texture on statue head in courtyard - not so bright eyes
* disabled message 'Open soon' at the linking book to EderBahvahnter
* enabled the linking modifier on the linking book to EB
* added a new linkinpoint near the linking book to EB when returning from EB