Fixed voltage choices to be within range, handle empty string from event
Merge branch 'master' of delmic-server.local:odemis
Spot size within range, prevent chamber move from the user while other move is in progress
More logging
Listen to sample holder insertion events
gui acquisition: allow snapshot as soon as the tab has some streams

We were too picky, expecting the _focused view_ to have some streams,
even if eventually all the streams would be saved. In addition this caused
problem when loading a new image in the gallery, because this would not
be detected until a new view would be selected.
Merge branch 'master' of vpn.delmic.com:odemis
Autofocus in rotation calculation if needed
Merge branch 'master' of delmic-server.local:odemis
gui: update comments about BGRA conversion

realised this cost ~100 ms per image per view. So we might need to optimise it soon.
gui microscope: fix looking for sub-stages

Children only contains the children, not their internal roles.
So we need to rely on their own role.
Merge branch 'master' of vpn.delmic.com:odemis
Simplified autofocus
Merge branch 'master' of delmic-server.local:odemis
Terminate all components upon Phenom termination
util: basic script to read/write PI controller settings
driver pigcs: don't require a reference switch for closed loop axes

An axes _can_ be closed loop and still have no ref or limit switches.
That's actually the configuration of the SECOMv1.1.

So now be less picky and accept such cases. It just will never be able to reference.
Merge branch 'master' of vpn.delmic.com:odemis
util piconfig: note about special FX parameters
Increase margin for hole detection