[GUI] Added the handRangeGenerator

	-added the provided HandRangeGenerator
	 It can be shown by clicking on the hand range field
	@Warning : this commit add scala code to the project
		   you will need scala 2.9 or less
		   (does not work with scala 2.10 and further)
[GUI] Improve use of hand range generator

	-the hand range generator can now be displayed by clicking
	 the hand range button
	-improve the displaying of the hand range generator
	 (was displaying the wrong hand ranges when choosing the hand
	  of a new player)