mno-async_writes/interface: Updated existing files and added new files...

mno-async_writes/interface: Updated existing files and added new files resulting from changes to the C++ generator in revision 2980.

git-svn-id: https://xtreemfs.googlecode.com/svn/branches/mno-async_writes@2981 f8528748-c2c0-11dd-ba5c-d3b7c2b3b534