Implemented ActionManager

Added the following methods:
SaveXML (saved in a file shares)
SetAction (Modifies an action)

Modified S_INPUT_ACTION to store more information necessary

Modified the following methods:

LoadXML (Added some variables that are needed to store in the structure)

DoAction:
-Modified the method  because it had a bug that didn't check if they
were the two keys pressed simultaneously
-Added Types axis to calculate the delta of each
Merge remote-tracking branch 'origin/master'

Conflicts:
	mvuab/Code/Graphics/AnimatedModels/AnimatedInstanceModel.cpp
	mvuab/Code/Input/ActionManager.cpp
	mvuab/Code/Input/ActionManager.h
	mvuab/Code/Videogame/TestProcess.cpp
	mvuab/UABEngine.suo