Implement processing_flags table and corresponding

Implement processing_flags table and corresponding

Implement processing_flags table and corresponding interfaces.
Implement rest interface for processingFlags table to toggle the value.
Correct hashcode calculation for ProcessingFlags bean.
Use newFabricConfigurationApi flag for managing FabricConfiguration BB
logic.
Remove readOnly specification from updating the processing_flags table
Make sure update_timestamp field updates automatically.

Issue-ID: SO-2814
Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
Change-Id: I00697f8edf62c2d3d725daa710c17f03595eac51