i#115391 better support for MinTextSize settings

... for TextShapes and CustomShapes

Conflicts:
	include/svx/svdotext.hxx
	svx/source/sdr/properties/customshapeproperties.cxx
	svx/source/svdraw/svdoashp.cxx
	svx/source/svdraw/svdotext.cxx
	svx/source/svdraw/svdotxdr.cxx
	svx/source/svdraw/svdotxtr.cxx

Change-Id: Ie6f490801b6887568135ed5f83c8bbe7ab6daa08
fix unit test
i115391 corected from SetObejctItem to usage of local SfxItemSet
i123573 corrected reaction on ItemChanges for CustomShapes

Conflicts:
	svx/source/sdr/properties/customshapeproperties.cxx

Change-Id: I9f37893bab72b2d9b9f8874f6827ca6bee5dfbe1
i123932 Init only needed items in
avoid infinite loop when setting vert. text dir.

Change-Id: I8ff1d61af9ff383f00062894ad10efca534318bd
init only required items

Change-Id: Iccbdea89fe2b5142bdd5213bb90e7656fc7eda8a