Added BrightfieldStream as allowable stream class for overview viewports
Added functions for measuring and adjusting the focus
Spot alignment added, fixes based on Specs review in progress
Code refactoring based on specs review
AutoSpotFocus introduced
Renamed focus to autofocus module
Fix on stage move
Raise IOError when no spot is found
Limitate the ccd FoV to just contain the spot
Unitest for autofocus added
Increased predefined exposure time
UnitTest for CenterSpot created, single spot image added
Adjust exposure time based on the Rose criterion
Autofocus wrapper and class
Fixed bugfixes and align moveRel
Everything to microns
Unused imports
Wait until we get image of correct resolution
Handle Autofocus failure
CenterSpot returns future, rearrangment of the alignment algorithm