Honor newly added drivers or removed drivers after restart
Add logging on driver load
Merge pull request #39 from InMobi/restart-driver-fix

Honor newly added drivers or removed drivers after restart
Session timeout for inactive sessions
Cleanup for tests
Remove unused imports
Update grill-default.xml
Changes based on review comments
1. Moved session expiry thread to hive session service
2. Moved timeout calculation to constructor
3. Added regenerated .apt file for config change.
Organized imports in GrillService
Add example queries for cubes
Merge pull request #41 from InMobi/close_inactive_session

Close inactive sessions
Fix syntax error in cube queries
Merge branch 'develop' of https://github.com/InMobi/grill into develop
Fix NPE in explain with no exec or scanmode
Propogate the semantic exception up during rewriting
Close Hive server session when Grill session is closed
Use correct key type
Fixed import
Merge pull request #42 from jdhok/develop

Close Hive server session when Grill session is closed
Add http endpoint for resultset