Otherwise it was running every time alongside the 'regular' unit
tests.

modified: CMakeLists.txt
modified: DiffSphereTest.h

We can pass the Function property as a strings, instead of
as a pointer to IFunction

Avoids loading everything then summing in separate loop, instead loads then sums in same
loop

* Refactoring names for parameters on some tabs.
* Removing option on diagnostic tab.
* Changing options on detector vanadium saving.

and correspondent unit tests

According to callgrind Peforming Poco::PATH::path() turns out to be very expensive. Peform it once and cache the results.

 Allows me to check how bad things are and benchmark for improvement. Can also use this for callgrind improvement refactorings

why do you need write cash for getConstEvents anyway?

when doing SliceMD.cpp The question remains why should one put them into write buffer when doing getConstEvents but will see.

stupid error in ID calculations

(and leaving most commits for this ticket on private branch except the special one)

hopefully reasonable function, which decreases critical section and allow to claim range of ID-s in one call to it.

Conflicts:

	Code/Mantid/Framework/API/inc/MantidAPI/BoxController.h
	Code/Mantid/Framework/MDEvents/src/MDGridBox.cpp

cased by default box size changes.