added current platform designs
added support for breakable platforms
added sprites to enemies

incl. global image loading via xml
Merge branch 'dev' of https://github.com/davidbeermann/econarchy into dev

Conflicts:
	Econarchy/Actor.pde
	Econarchy/Level.pde
Merge branch 'dev' of https://github.com/davidbeermann/econarchy into dev

Conflicts:
	Econarchy/Level.pde