Refs #8584. Save methods now in separate module

SaveANSTO, saveMFT and the new saveCustom are now in a new python module. There was a brief discussion about turning them inot C++ save algorithms but it was decided we would see if they were required in the new version beofre we did that.
Refs #8584. Fixed problem in quick

A bug had slipped into quick that prevented processing. Even though it wasn't releated to this ticket it needed fixed ASAP.
Merge remote-tracking branch 'origin/feature/8584_Refl_gui_save_module'