mno-async_writes/interface: Modified C++ generator to create the definition of...

mno-async_writes/interface: Modified C++ generator to create the definition of GetMessageForProcID(interface_id, proc_id) in a .cc file to avoid a multiple definition error.

git-svn-id: https://xtreemfs.googlecode.com/svn/branches/mno-async_writes@2980 f8528748-c2c0-11dd-ba5c-d3b7c2b3b534