gui: documentation diagram added
gui: image data module update
gui: small selection tool improvement and image data update
gui: Fixed focus bug
Merge branch 'master' of delmic-server.local:odemis
drivers: fix import of util.driver

in python, from odemis import util doesn't import sub-modules like util.driver...
explicitly import it.
Merge branch 'master' of vpn.delmic.com:odemis