1. Conjoin the low resolution TOF workspace to output workspace;
2. Enable to use offset on spectrum number of the spectra from low
resolution TOF workspace;
3. Refactor codes

Expanded AlignAndFocusPowder to reduce low resolution data in addition.

Refs #7263
Conflicts:
	Code/Mantid/Framework/DataHandling/src/LoadEventNexus.cpp
	Code/Mantid/Framework/DataHandling/src/LoadSassena.cpp

1. Continue to cleaning codes by removing some legacy which is not used
now;
2. Removing properties NewInstrument by merging it to InstrumentName

re #7031

Conflicts:
	Code/Mantid/MantidQt/API/inc/MantidQtAPI/ScriptRepositoryView.ui

Refs #7031

Refs #7144
Conflicts:
	Code/Mantid/Framework/TestHelpers/inc/MantidTestHelpers/WorkspaceCreationHelper.h

Expose box splitting by making this algorithm a derived class of the BoxControllerSettingsAlgorithm. Also set sensible defaults for these splitting parameters. Fix the way that the workspace is created such that the box signal and error values are recalculated correctly.

It doesn't generate a symbol for the destructor of the *FileLoader
interfaces unless explicitly defined. All other platforms, including
OS X 10.6, don't show this problem.
Refs #7263