Session Restart
1. Create Hive session from existing Grill session
2. In QueryExecutionServiceImpl, add queued queries to acceptedQueries
in readExternal
Change hive version to 0.13.1-inm-SNAPSHOT
Session restart #2
1. Reverted changes in GrillServices related to restart flags
2. Add resources and config at startup of session service
3. Test for resource and config changes
4. Test for query restart with same session as before
Fix query service tests
Restore sessions while starting session service instead of readExternal
Merge pull request #29 from jdhok/develop

Session Restart