Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>

The previous commit (dd887c97) actually won't help because TofEvent is not
movable (it uses composition). This change does, though only gcc implements
it so far.
That's the theory, but I have to admit I can't see a difference in run time.
Re #4472, Re #4779.

Allows overriding via the cmake variable, if desired.

1) readMonotorID function reads only existing monitors.
2) ws without monitor's spectra returns empty validator
3) Some unit tests

There was a large amount of copy and pasted code that has been factored out.

This was tons easier in python.

Re #4473 fix compiler warning from previous commit.

Adding first parts of Tobyfit style instrument resolution simulation
function Re #4960 .  Class SimulateResolution will be inherited by user
simulation functions and invoked via GenericFit algorithm.

TimeSeriresProperty has change in API for addValue().  It is trivial and
only unit tests are affected.

A change in TimeSeriesProperty's API causes this modification.
This change in API is trivial and only affects unit test.