Remove jump threshold from knossos-global,
remove a warning from remotewalk
move viewer and skeletonizer initialization before mainwindow creation
necessary to connect skeletonizer signals to mainwindow slots in mainwindow's constructor
- remove debug message
segmentation job mode activation through loading annotation.xml
rename open-skeleton.png to open-annotation.png
Don't allow activating other objects in segmentation job mode
Segmentation Job Mode for GUI
Segmentation Job Mode: object changing on pressing "next >" and "< last"
also: recentering instead of jumping to object