avoid duplication of points in rubberbands of point geometry
fix mixing pixels and map units in calculation of update rectangle
Merge pull request #811 from 3nids/fixrubber

fix appearance of point rubber bands at small scales
replace pan icon by a hand, and accord panToSelected to already used colors
Merge pull request #698 from 3nids/svgpan

SVG for pan icons
more complete QgsMessageBarItem: inherits from QWidget to allow further editing
add destructor
Add GUI_Export, Reorder widgets
Remove messageitem id
Simple marker: use limit for cache image size. Fixes #8386
Skeleton module