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
Add auto-generated javadoc
Merge pull request #149 from InMobi/whitespace

Add auto-generated javadoc
Remove old licenses
Remove old licenses after package declaration
Update license for all files
Update all licenses
Update all licenses
Merge pull request #150 from InMobi/licenses

Update license headers
Merge branch 'develop' of https://github.com/InMobi/grill into cube-code

Conflicts:
	lens-cli/src/test/resources/local-storage.xml
	lens-examples/src/main/resources/local-cluster-storage.xml
	lens-examples/src/main/resources/local-storage.xml
	lens-storage-db/src/test/java/org/apache/lens/storage/db/TestDBStorage.java
Add cube package files
Add apache rat plugin
Make rat check at package phase
Merge pull request #151 from InMobi/rat-plugin

Add apache rat plugin
Add contributer guide
Merge branch 'develop' of https://github.com/InMobi/grill into cube-code
Merge pull request #152 from InMobi/rat-plugin

Add contributer guide