mno-async_writes/interface: Using boost::uint32_t instead of int for interface...

mno-async_writes/interface: Using boost::uint32_t instead of int for interface and proc_id in new service constant files now.

git-svn-id: https://xtreemfs.googlecode.com/svn/branches/mno-async_writes@2972 f8528748-c2c0-11dd-ba5c-d3b7c2b3b534