In SaveWorkspaces the name of the output file now doesn't change if append is selected. Improve error reporting re #2217

Move MantidQt headers into subdirectories for consistency with framework conventions and simpler build. Re #1881.

Fix SANS SaveWorkspaces problem, the signal in the base MantidDialog was being obscured by SaveWindow's redeclaration re #1747

Load and SaveRKH now have default extensions and the save workspaces dialog updates the filename with the workspace's name re #1747 

Attempt to fix the Mantidplot failure on Darwin by simplifying the code in the region of the error re #1263

There is a new dialog that allows saving multiple workspaces in multiple formats. It's accessible from the SANS GUI under "Save Other". Other controls have been added to the SANS GUI to aid loading files and the interface has been rearranged a little. re #1263