Biblioteca LibGDX adicionada

Tela sem conteúdo criada
Adicionado alguns casos de testesobre o Throw System
Making tests for core
fixing issue #68
Correçao em varios bugs do collision e moviment system
Merge branch 'master' of https://github.com/MaxFernandes/bomberman into unstable
removing jars do libgdx
Merge branch 'master' of http://github.com/kfourit/bomberman-1 into
unstable

Conflicts:
	src/main/java/br/unb/unbomber/systems/ExplosionSystem.java
Merge branch 'master' of http://github.com/rodriggochaves/bomberman into unstable