[TIMOB-18996] Windows: Doc coverage missing the Windows-specific APIs

The docs we use to populate the parity report (or maybe just the parity report itself?) aren't including the Windows specific types we've introduced. Specifically, we have a set of Titanium.UI.Windows.* types implemented, but not listed in the parity report. I also don't see them listed in the bleeding edge docs at http://appcelerator.github.io/appc-docs/latest/ The types are here: https://github.com/appcelerator/titanium_mobile_windows/tree/master/Source/UI/include/TitaniumWindows/UI/Windows