implemented actionPerformed
Fixed refrence error
Fixed retur button on CreditsForm
bla
Merge branch 'master' of https://github.com/IPSEN1/Invers.git

Conflicts:
	bin/utilities/MenuPanel.class
	src/utilities/MenuPanel.java
Merge branch 'master' of https://github.com/IPSEN1/Invers.git

Conflicts:
	bin/utilities/MenuPanel.class