bnc#881024 Don't world transform font size in WMF/EMF import

Conflicts:
	vcl/source/filter/wmf/winmtf.cxx

Change-Id: Ia865b84ee2b159ff7251ab5a769a2b635dd2a1ea
bnc#881024 Handle 0 font height just like outdev & drawinglayer

Change-Id: I80055e4101873e0ddd408ac1f0ee9c75cc3bf6b3
emf+: emulate hatch with color blend

Conflicts:
	cppcanvas/source/mtfrenderer/emfplus.cxx

Change-Id: I2ac8f790c79c269d4c1fa650e703c3645c567ca4