Refs #8281 Tidy up the S(Q,w) interface on C2E.
Refs #8281 Hook up data selector widget to interface.
Refs #8281 Fix tab order for binning input on S(Q,w) interface.
Merge remote-tracking branch 'origin/master' into feature/8281_sqw_interface_tidy

Refs #8281

Conflicts:
	Code/Mantid/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/ConvertToEnergy.ui
Merge branch 'feature/8281_sqw_interface_tidy' of github.com:mantidproject/mantid into feature/8281_sqw_interface_tidy
Refs #8281 Resize energy rebin widgets and fix tab order (again).
Merge branch 'master' of github.com:mantidproject/mantid into feature/8281_sqw_interface_tidy

Refs #8281

Conflicts:
	Code/Mantid/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/ConvertToEnergy.ui
Merge remote-tracking branch 'origin/feature/8281_sqw_interface_tidy'