Implemented GC::FillRectXor()
Editor: blinking cursor
Fixed Windows compilation warnings
Implementation of GC::FillRectXor() for Windows
Editor: Ctrl+Del
Merge branch 'master' into blinkingcursor

Conflicts:
	wcm/ncedit.cpp
Merge branch 'master' into blinkingcursor
Cleaned garbage
Merge pull request #49 from corporateshark/blinkingcursor

Blinking cursor in the editor