add anglE
Merge branch 'DLLStructureRefactor' of https://github.com/JohnMcCaffery/NuiLib into DLLStructureRefactor

Conflicts:
	Src/Demo-SlideShow/SlideShowDemo.vcxproj
Revert "Fixed scaling on trackers to correctly update scalars."

This reverts commit f949eb2934beb30ee45042a7daf4069384bb8eba.
Revert "Revert "Fixed scaling on trackers to correctly update scalars.""

This reverts commit 2b8b790c5439cb7e070a2319e89afaeeb03c485c.