Bug 443514 - Tooltips of parts are not translated in PartStack

SWTPartRenderer calls getLocalizedTooltip() instead of getTooltip().

Change-Id: Iab75f4c71e9dd0d4c69692e5a957b8a2a8bf72cb
Signed-off-by: Ragnar Nevries <r.eclipse@nevri.es>
Increased bundle version for 4.4.2 fixes