Merge changes from Zach and update wautofocus submodule.
Submodule update.
Use cufft highpass filter from wautofocuser.
Remove AT_ConvertBufferUsingMetaData; to be readded if Andor gets their ducks in a row.
Fix minor bugs.
Add conversion coefficient for stage Z speed units.
Fix has_pending logic inversion.
Make continuous move autofocus work.
Avoid remaking highpass filter unnecessarily.
Add --verbose option to rpc_acquisition.scope_server command line interface.
background autofocus