Remove the checkpoint from the client - it is not the goal of this example
Fix the XML descriptions
Add a header for definitions common to the client and the master
Make the master periodically send messages until the result is received
git-svn-id: svn+ssh://cvs.lpds.sztaki.hu/var/lib/svn/szdg/dcapi/trunk@804 a7169a2c-3604-0410-bc95-c702d8d87f7a