WIP
Merge remote-tracking branch 'origin/master' into ThinningNode
- (finally) Added functional thinning node/op
- 4 Thinning algorithms: Hilditch, Zhan Sue, Guo Hall and morphological
ToDo: further cleanup/documentation /Icon.
- Documented and drawn.
- Added change missing from last commit.
Final changes on LoGDetectorOp/Factory
Fixed LocalMaximaForDistanceMap

	* Fixed node itself
	* Fixed node description
Removed factory source from Labeling to Image parameters
- More polish
- Small change to exception message.
more fixed in H-Dome
Fixed color management in LabelingToRGB
Improved description of LabelingToRGB
Fixed javadoc in DefaultLabelingMetadata
Improved description of LabelToRGBImage
Improved Dialog of MorphImgOps
Clean-up in LabelingMorphOps
Merge branch 'master' of https://github.com/knime-ip/knip
More documentation tuning
Fixed javadoc