Replaced os.tempnam with tempfile.mkdtemp to remove 'RuntimeWarning: tempnam is a potential security risk to your program' warning message

VDQM2 now makes a log entry when it receives a valid VDQM request type which it does not support.  The client application is also sent back an "Operation not supported" message.

only of the resurrection of the db connection if needed.

explanation of the new meaning with the 2.1.7 GC

the request is failed with a proper error message.
Minor change in stageRm: dropped a not needed parameter.

potentially running cleaning daemon leads to db deadlocks.

if a diskcopy is available in the requested pool.
Minor change in stageRm: more appropriate return code.

Merged in CVS changes lost in the move from the CASTOR2/stager directory to CASTOR2/client/src/stager

Renamed autocommit into endTransaction + avoid rollbacks in methods that do not have any autocommit flag

Renamed the setFileGCWeight procedure to setFileGCWeightProc so that it doesn't clash with the table of the same name

"m_selectTapeStatement->closeResultSet(rset);" was being called twice which caused a segementation fault