improve hammer gwt
 -rename of impl package
 -classes with capital letters renamed
 -hammer js javascript is injected dynamically in code instead of adding it in script tag of the gwt module
 -deltaX and deltaY getters added to NativeHammerEvent class
improve hammer gwt
 -rename of impl package
 -classes with capital letters renamed
 -hammer js javascript is injected dynamically in code instead of adding it in script tag of the gwt module
 -deltaX and deltaY getters added to NativeHammerEvent class
Merge remote-tracking branch 'origin/master'

Conflicts:
	hammer-gwt-example/src/main/java/org/geomajas/hammergwt/example/HammerGwtExample.gwt.xml