- JKQTPGeoLine, JKQTPGeoPolyLines and JKQTPGeoInfiniteLine support decorators
- improved decorator drawing
- more decorator types
- improved example geometry
- added specific example geo_arrows
- improved documentation
- code cleanup
new: iterator interface and improved documentation for JKQTPDatastore
reorganization of library (better separation of common code in jkqtpcommon and other code e.g. in jkqtplotter or jkqtmathtext)