Change the current structure of the project

I have moved enwei’s code into another package
Steup different screen

Implemented IntroScreen and MainMenuScreen. Need to implement other
screens
Going yo implement client and server
Merge branch 'Setup-structure'

Conflicts:
	PassTheBomb/bin/com/me/passthebomb/PassTheBomb.class
	PassTheBomb/src/com/passthebomb/model/local/Character.java
	PassTheBomb/src/com/passthebomb/model/local/Opponent.java
	PassTheBomb/src/com/passthebomb/model/local/Player.java
	PassTheBomb/src/com/passthebomb/view/gui/Background.java
	PassTheBomb/src/com/passthebomb/view/screen/GameScreen.java