Merge pull request #42 from jdhok/develop

Close Hive server session when Grill session is closed
Add http endpoint for resultset
Update description of conf property
Return Response object from QueryExecutionService.getHttpResultSet
Testcase for Grill Cli and Grill Client.
Update test for not found exception in case of result not persisted by server
Update documentation
Merge branch 'develop' of https://github.com/InMobi/grill into http-endpoint

Conflicts:
	grill-server/src/main/java/com/inmobi/grill/server/query/QueryExecutionServiceImpl.java
Merge pull request #43 from InMobi/http-endpoint

Http endpoint for query result
Move  test directories to target
Testcases for Grill Client. Review Comments Addressed.
Reverted TestServerMode
Merge pull request #44 from sreekanth-r/grill-cli-tests

Testcase for Grill Cli and Grill Client.
Add REST api for CRUD of derived cubes
Update documentation
Add api to get all queryable cubes
Merge pull request #45 from InMobi/derived-cubes

REST api for CRUD on derived cubes
Rename parent cube from 'uber' to 'base'
Merge pull request #46 from InMobi/derived-cubes

Rename parent cube from 'uber' to 'base'
Updated driver names in arch diagram