Added GUIMapEvents Container script and Blank Sprite Object for it

Has small state machine to handle type of GUI to use according to
MapEvent.
Merge pull request #26 from jajav33/master

Added GUIMapEvents Container script and Blank Sprite Object for it
Fixed prefab reference.

Fixed it for real this time.
Also fixed the remnants of it on the MapEvent class.
Merge pull request #27 from drobbs/master

Fixed prefab reference.
WE CAN HAZ NICE THINGS

Got a game flow. Javier needs to add a throwback to MenuScene to create
a circuit.
Merge pull request #28 from brentspector/master

WE CAN HAZ NICE THINGS
Added 2 Instances of Players and working on MapEventsGUI

*Added two players to the gameplay controller (GamePlayStateMachine)
into arena01.
+ThingsToDo:
-not sure how to access players Resources and weapon weight from the
controller's point of reference.
*Created a Folder to keep GUIScripts together
*Started the MapEvent: Ally GUI skeleton code.
+ThingsToDo: created basic skeleton, needs much work. Next update will
be more detailed
Merge pull request #29 from jajav33/master

Added 2 Instances of Players and working on MapEventsGUI
Imports

Sound and Sprite Assets Import
Merge pull request #30 from Jacky7533/master

Imports
Merging from PR#30 master