Refs #8745 Replicated the original functionality

UI has had another widget added that I'd missed before because it was invisible

Original functionality has been ported over with a couple of fixes.

Save Workspaces has been disabled for now as all that window did was run SaveAscii with default values on a workspace already in mantid, so the dialog was rather redundant as the user could run SaveAscii (or a more preffered Save algorithm) from within mantid.
Refs #8475 Replaced old version of ISIS Reflectonomy within mantidplot

Mantidplot now uses my newer vesion of the interface. The interface itself had to have an import stement altered due to the different location of the scripts.

The table hadn't been initilised properly in ym new version, fixed it.
Refs #8745 Corrected the table initialisation code.

The code initialising the table was using old code which was refferring to the table widget by its old name. Fixed