Added URLUtil and Location IDL
Added files, moved others
Removed console form (will be re-added and checked in later)
Started changing from Node to INode
Added file
Continued on changing Node to INode in IDL
Further changes (temp. cast required)
Return type of Clone method changed
IsEqualNode updated
Updated signature of CompareDocumentPosition
Updated signature of RemoveChild
Updated signatures of InsertChild and ReplaceChild
Finished signature change of InsertBefore
AppendChild is now changed to support INode