Adding MapLoader and Content Control Classes, Includes a version of XmlSerializable (for testing) and a test xml map file
Committing before merging Hunters changes
Merge remote-tracking branch 'chfeltman/master'

Conflicts:
	Physicist/Physicist/Actor/Actor.cs
Fixed file locations to match new structure.
Removed dupilcate of IXmlSerializable.
Added initial implementation of map saving.