MEDIUM / PRI:
	 - pipette mode.
	 - Update dynamic palette consistency according to the current drawing.
	 - Allow multiple business palettes
	 		- start a bpmn and a codesign palette
	 - Remove the tool bars which are not used.
Merge branch 'fge_refactoring' of ssh://git@github.com/agilebirds/openflexo into fge_refactoring