Merge remote-tracking branch 'goorus/master'
Merge remote-tracking branch 'goorus/master'
Merge remote-tracking branch 'goorus/master'
Removed unused variables and code improvements
Merge remote-tracking branch 'goorus/master'
Removed unused code and code improvement
Removed unused codes and improved codes
Merge pull request #408 from vksvenkat/master

Removed unused variables and code improvements