block of JSON

Adds Apache License Headers, enables rat-check, find-bugs and checkstyle plugins. Contributed by Venkatesh Seetharam

broken out properly

later

instead of prop file.

Fixed hive model: StorageDescription is now a class, removed creating a duplicate storagedesc per partition (need to fix handling of partitions that can diverge).
  Made mem repository test work again.
Validated changes with TPCDS.  Fixed empty array handling in Graph repo

GraphBackendDiscoveryService as it relates to the graph directly.  The
code was inactive but remains commented as a reminder for future work.

org.apache.hadoop.metadata.discovery.GraphBackedDiscoveryService.  Will
need additional clean up, but the functionality remains the same.

Adds Apache License Headers, enables rat-check, find-bugs and checkstyle plugins. Contributed by Venkatesh Seetharam

viewing of the output format.  

some additional logging.  Added a requestId element to the returned
JSON.

text search as before, the other accepts a GUID and will walk the graph
using the Edges specified in the query.  API call samples are in
MetadataDiscoveryResource.java.