Adapt DQM I/O Sources to the new MultiThread design (EDMtoMEConverter and DQMRootOutput)
Improved test on the new MultiThread DQM
Do not load all services while performing tests on multithreaded DQM
Improve test script
Add book2D support to iBooker interface
Adapt Transition Test to the MultiThread DQM Framework
Add enableMultiThread option to DQMStore to use the DQMEDAnalyzer in a backward compatible way