VisualRangeSlider added (without buffering)
Merge branch 'master' of delmic-server.local:odemis
Finished VisualRangeSelector
doc: add information to profile the programs

from Rinze
Replaced sys.exit calls by main_frame.Destroy, because cProfile logging only works when the main function actually returns.
Small VisualRangeSlider bug fixes
VirtualRangeSlider testset update
semcomedi: fix voltage range for scanning being 2x too big

Min = center - width _/2_ !
detected during the first test on the SEM
Merge branch 'master' of vpn.delmic.com:odemis
config: make sem only config really simple

only use the ETD
Adapt to work with our conversion box
rename to not include secom