Tiny changes in Ptycho class.
Some changes to speed up the plot client initialization.
Merge branch 'plotting'
Bugfix in Client class to ensure "getnow" behaves as expected.
New variation on plot_client, with changes mostly in the communication part (using get_now to speed up initialization).
Mostly aesthetics and comments.
Added extra (rudimentary) report information in ptycho and classes.
Merge branch 'plotting'
Added FIXME comment about the requirement to set geometry.N in general parameters.
Comment about the meaning of "tags" in scan_DEFAULT.
Unimportant modifications.
Added a FIXME to implement relative weights between scans.
Started implementation of probe_weight and object_weight AND reformatted to follow PEP8