Set the global locale for C++ stream operations to simple ASCII. This avoids problems with XML proceesing on non-English systems that prevents loading an instrument where we cache the triangles Fixes #2352.

Implemented a custom dialog for the Load algorithm. It now dynamically generates its properties from those that the concrete loaer has, Refs #2329. Also fixed a problem with loading grouped nexus files through the Load algorithm, Re #2362

re#2155- some improvements to SANS diagnostics tab.Now the first tab is changed back to Run Numbers.

2. When changing instrument clear grouping
3. Improved message when to grouping found
4. Include default grouping files in ARGUS 
(note for now no time_zero not read from ARGUS)

re #1849

Changed OutputWorkspace property types for the nexus load algorithms, from MatrixWorkspace and Workspace2D to Workspace. re #2362

Refs #1755 Fix compiler warnings; don't scale positions; relative rotations for DiffractionEventCalibrateDetectors

Trying to fold in the windows stuff from MemoryManager. Lets see if I can edit code without a compiler. Refs #2282.