XD-1208 Add Module options for OOTB jobs

- Add HdfsMongodbJobOptionsMetadata for hdfsmongodb batch job module
  - Update hdfsmongodb module
- Add module option Mixins that are common to batch job modules
  - Add mixins for BatchJobDeleteFilesOptionMixin, BatchJobFieldNamesOptionMixin, BatchJobResourcesOptionMixin,
BatchJobRestartableOptionMixin
  - Update existing OptionsMetadata pojos
- Fix jdbc_test to have more sleep between job_create and job_deploy

XD-1208 Remove idField default

- Specify "null" string as default in hdfsmongodb.xml

XD-1208 Better handling of idField

- Update hdfsmongodb.xml
  - If idField is empty, then the converter would use Tuple's id
- Fix Assertions in converter

Various fixes