Cherry-Pick commit from @mgmax. Fixes #109
event handling improved
Use only one Window for Laser-script output. Fixes #111
Merge branch 'develop' of ssh://github.com/t-oster/VisiCut into develop
LibLaserCut: Smallest first ordering
other add buttons need also icons
Merge branch 'develop' of git://github.com/t-oster/VisiCut into develop
Select first lasercutter if selected lasercutter is deleted. fixes #114
Improve defaut-generation and changed order-strategy to inner_first. Fixes #115
Merge branch 'develop' of git://github.com/t-oster/VisiCut into develop