Javi is a little snake! Yeah!

We have added the state pattern to the class GameB and various modifications at the classes LevelB, backgroundB and backgroundlayerB, related to the pattern.
Merge remote-tracking branch 'origin/master' into levelchange

Conflicts:
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter/GameB.cs
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter/LevelB.cs
Set the GameStory prepared to change with banners and exit to the main menu when finished.
Merge remote-tracking branch 'origin/master' into levelchange

Conflicts:
	IS_XNA_Shooter/IS_XNA_Shooter.sln
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter/Enemy.cs
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter/EnemyWeakB.cs
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter/GameB.cs
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter/Ship.cs
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter/ShipB.cs
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter/SuperGame.cs
We have update the change of mode at gameStory and other minor changes
Added Images for conversations in gameStory, XML of conversation and first function to read it. Also aded to GRManager to load this images.
conversations in gameStory are operative.
Merge remote-tracking branch 'origin/master' into levelchange

Conflicts:
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter/BackgroundGameB.cs
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter/GRMng.cs
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter/GameB.cs
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter.csproj
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter/SuperGame.cs
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_ShooterContent/IS_XNA_ShooterContent.contentproj
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_ShooterContent/Levels/level1.xml
Merge with the gameB.cs and gameStory.cs, also aded the animation and the final boss. All the classes adapted to each other, keep going!!
Merge branch 'levelchange'

Conflicts:
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter/BackgroundGameB.cs
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter/GRMng.cs
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter/Level.cs
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter/LevelB.cs
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter/SuperGame.cs
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_Shooter/XMLLvlMng.cs
	IS_XNA_Shooter/IS_XNA_Shooter/IS_XNA_ShooterContent/Levels/level1.xml
TOFIX: Collides in the GameStory