Massive Dialogue System Revamp (in progress)

+ TmxMap loader supports object layers (currently only rectangle objects)
+ Map Properties for Intro and Outro dialogues
+ Object Properties for triggering Dialogues
+ Dialogues can now be read from external files
+ a bunch of smaller stuff
Dialogue System finalized

+ Fixed a bug with rectangle triggers
+ Implemented tile triggers
+ Re-implemented dialogues using the current system
+ Added scoring information for first 7 levels
Merge branch 'master' of https://github.com/anokta/CS7038

Conflicts:
	Assets/Scenes/MainScene.unity