config: add dependency to python-suds

needed by the Phenom driver
Add the sleep time to the remaining time of pressure
Merge branch 'master' of delmic-server.local:odemis
Merge branch 'master' of vpn.delmic.com:odemis
gui model: simplify by always haveing chamberState

If there is no chamber, state is unknown.

This simplifies a lot of code that had to do hasattr(main, "chamberState")

Can still check if the chamber is present by looking at main.chamber
No lock in stop stream
Handle cases that stage move axis missing
Merge branch 'master' of vpn.delmic.com:odemis