Changed button text for show sample changer details.
Improved log messages and information to user.
Merge branch 'master' of github.com:mxcube/mxcube
Automatically switching to free pin mode if no sample mounted.
Using a : to separate name from energy
Using - for 0 or none valid energy
Removing the last reference for clear_all so that all positions
are deleted when clearing the shape history.
Removed CR
Made log bar a bit higher
Fixed a problem when mounting sample
Displaying filename for energyscans
Also sending the all checked items from the confirm dialog.
moved mad_energy_selected to create_discrete_widget