Make GraphOptions available in MantidPlot global namespace. Refs #6788
Allow access to each instrument view tab from Python. Refs #6788
Proxy the instrument window tabs in Python

As with the other C++ objects we need to ensure that accessing their
references after they have been deleted does not cause a crash. Refs #6788
Exporting render tab range options. Refs #6788
Export more rendering options. Refs #6788
Sync the render style combo box & current view when view mode is

changed from script. Refs #6788
Deprecated old instrument window functions. Refs #6788
Use enumerations for tabs and surface types in Python. Refs #6788
Allow peak overlays from Python. Refs #6788
Add docstrings to new methods. Refs #6788
saveImage & enableGL options exported to Python. Refs #6788
Allow pick tool selection from Python. Refs #6788
Use enumerations for default tab in getInstrumentView. Refs #6788
Allow mask tool selection from Python. Refs #6788
Sync flip unwrapped view checkbox with Python command. Refs #6788
Merge remote-tracking branch 'origin/feature/6788_inst_view_scripting'. Re #6788

Conflicts:
	Code/Mantid/MantidPlot/src/Mantid/InstrumentWidget/InstrumentWindowMaskTab.cpp