Moved the XML stuff into its own folder to match the other namespaces. I also added the most up to date pugixml files for future merging.
Copyright and documentation cleanup
fixed some more copyrights I missed in the last commit and added soem boilerplate files to make this part of the project easier.
More changes to the XML system to brin it in line with the rest of our coding standard.
Merge branch 'master' of github.com:BlackToppStudios/Mezzanine

Conflicts:
	Mezzanine/src/XML/xml.h