V0.00.06 Pre-Alpha

Features:
-Implemented block placement and removing in level editor
-Blocks will always be removed if clicked in the editor
-Only blocks selected on list will be placed in editor

Optimization
-Removed unused imports
-added new textures to assets manager
-changed a few textures to use asset manager
-created new function updateMap() which redraws editor map
-changed level class to use int for block types