Enhanced few features under Marvin

Added few enhancements to marvin.
Added new module for Logging Facility to marvin.
Added new Init facility to marvin.
Currently, there are multiple ways we are doing logging
Removed few unwanted logging cases.
Removed few command line switch options for logging.
The new way of logging now provides consolidated logging
under one single folder timestamped under the configured
folder path.
Removed parsing configuration from deploydata center
Added parsing,start logging and deploy as part of init
Added new error handling facility to catch unknown exception from
test cases. Currently, lot of scripts are throwing unknown
exceptions, add a handler to plugin to dump them to a file

ToDO:
Will do clean up in phase2 for this patch.
Separate deployDatacenter from creating test client.
Clean up configGenerator
CLOUDSTACK-5216. delete volume failed due to Exception: java.lang.Exception" while destroying Vms