Update framework/src/routes-compiler/src/main/scala/play/router/RoutesCompiler.scala

I only really need MKCOL at present for work at W3C LDP WG, 
but since I'd rather not have to come back in case I need the 
other HTTP METHODS I added all the other ones I found on the web site 
http://restpatterns.org/HTTP_Methods/MKCOL