Renamed ml module from grill to lens
Merge branch 'develop' into ml-rename
Renamed properties and config entries
Delete old test code
Moved RDD client into lens-ml-lib
Moved ml client into lens-ml-lib
Add apache license header for lens-ml-lib
Merge pull request #143 from InMobi/ml-rename

ML through Grill
Explain on prepared queries should return error in plan upon failure
Review comments incorporated
Reformat pom for readability
Merge pull request #145 from InMobi/reformat_pom

Reformat pom for readability
Skip queryname in preparequeries, if not passed
Merge pull request #144 from InMobi/explain-fail

Explain on prepared queries should return error in plan upon failure
Allow adding custom services at runtime in LensServices
Merge pull request #146 from InMobi/lens_service

Allow adding custom services at runtime in LensServices
Fixed trailing whitespace and indentation checkstyle warnings
Merge pull request #147 from InMobi/whitespace

Fixed trailing whitespace and indentation checkstyle warnings
Remove unused imports
Merge pull request #148 from InMobi/whitespace

Remove unused imports