refactoring in tmssed: get batchtype uses the function vishnu::convertToBatchType and the monitor interval and the batchversion may be optional
make database check just after initializing the configuration object
fixed problem in batchversion in tmssed
make batch version optional for deltacloud -- fixed missings
catch exceptions when binding sockets, and return an error message on failure
removed full path to java
a bit of refactoring.
Not entirely clean, but it helps to reduce code duplication, and simplifies error handling
use methods defined in zhelpers to get messages' data (better error handling)
class Worker does not have an annuary anymore
Refactored workers
more checks on parameters
relative paths can now be used
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