Removed references to hadoop data_processing

Change-Id: I2815b1f531e061faa3796466db956d7a39dfdf0b
Closes-Bug: 1368775
Update JavaScript best practices

Horizon as a project needs some best practices in place for client side
coding

Change-Id: I1361a9b203f2bb9c2f6a65e60f940aaff43935dd
Merge "Update JavaScript best practices"
Merge "Removed references to hadoop data_processing"