Added the hide ability for the hero. Doesn't look great yet but will
update that later.
Added the jump as we currently have it.
Corrected jumping and crouching issues.
Merged the comments and the changes.

Merge remote-tracking branch 'origin/master'

Conflicts:
	the_decline-main/src/com/gamedev/decline/Decline.java
	the_decline-main/src/com/gamedev/decline/GlobalSingleton.java
	the_decline-main/src/com/gamedev/decline/Hero.java