DF-656 UISpinner implemented
DF-656 windows project fixed
Merge branch 'development' of https://github.com/parapaul/dava.framework into merge-spinner

Conflicts:
	Sources/Internal/DAVAEngine.h
DF-656 code review fixes
Merge branch 'development' of https://github.com/parapaul/dava.framework into merge-spinner
Merge branch 'development' into merge-spinner
Merge branch 'merge-spinner' into development