This task is to update Spark UI according to the latest comments in related issue CDAP-652.
PR https://github.com/caskdata/cdap/pull/707 was created.
Rohit needs to do some more testing with this UI component for Spark, so i'm moving this to 2.7
New PR against develop has been created https://github.com/caskdata/cdap/pull/773
Assinging to rohit to mark as resolved once testing is complete.