Rename packages and folders
Use renamed packages in all refereces
Fix issues in renaming packages
Add client dist package
Packaging renaming in all configs and scripts
Update module name
Update grill-site.xml reference
Update grill-site.xml reference
Merge pull request #137 from InMobi/rename

Rename packages from com.inmobi.grill.* to org.apache.lens.*
Merge branch 'develop' of github.com:InMobi/grill into protobuf