Updated Animation Class

The animation class has been rewritten so that it is thread-safe, and
also takes in the amount of time each image should display on the
screen. Also includes updated sprites for Ayako and Mal.
Merge branch 'master' of https://github.com/neferpitou/Fatal-Dust

Conflicts:
	src/characters/AyakoTurner.java
	src/characters/MalMartinez.java
	src/characters/VanillaCharacter.java