gui: Made label writing dependant on the size of the current context being used
gui: Overlay name refactored to prevent naming confusion
scripts: display the log messages while the backend starts

nicer for the user to see something is happening
gui: linear/exponential focus dragging fix
gui: slightly better repetition point rendering
Merge branch 'master' of delmic-server.local:odemis
dataio tiff: retreive metadata from OME-TIFF

almost all the metadata is now retrieved
Merge branch 'master' of vpn.delmic.com:odemis