added WKT functionallity (to be merged with existing)
Merge remote-tracking branch 'origin/master'

Conflicts:
	core/ilwisobjects/coverage/geometry.cpp
	core/ilwisobjects/coverage/geometry.h
improved from/toWKT in Geometry and Feature
disabled threading in binarymathraster for baby version
Merge remote-tracking branch 'origin/master'

Conflicts:
	baseoperations/math/binarymathraster.cpp