Related: #i125292#, #i125293# enhanced CssStyle handling in SVG import

(cherry picked from commit 7fc272837995079247594e173d977a2e541a7042)

Conflicts:
	svgio/source/svgreader/svgnode.cxx

Change-Id: I1896d9859e07a8edfb46ede6a237efa3edce5ab1