Minor TODO cleanup
Allow specifying windowsSdkDir on VisualCpp

Added windowsSdkDir property to be configured for the VisualCpp
toolchain and extended DefaultVisualStudioLocator to support Visual
Studio 2012.
Further unit test for specifying install locations for Visual C++
Recognise external contribution
First cut of integration test for windows resources
Support for windows resources
Renames
Added support for args and macros to rc.exe
windows-resources sample
Updated windows resources integtest app so that it works with a shared library.
Ignore static library test for windows resources