Changes to the barclamp to accomodate an option for thp disable/enable.
Merge pull request #149 from vinayakponangi/pull-req-release-pebbles-master-4d502f3fa81ba3b07fe1c4820ee27c4c3a0643ce

UI Changes to provide option to enable/disable THP compaction on Datanodes. [1/1]
Final changes to disable/enable THP compaction on all nodes.
Merge pull request #150 from vinayakponangi/pull-req-release-pebbles-master-bb1b9df5fa4290d685e4b329079fb340479130e1

Final changes to provide an option to enable/disable THP Compaction [1/1]
Refactored code to fix code that writes to rc.local file based on review.
Eliminated unwanted attributes from default.rb file.
Merge pull request #151 from vinayakponangi/pull-req-release-pebbles-master-41eccfd3cccd320b6223f7650a71ef824333f244

Refactored THP Compaction code based on Paul's review. [1/1]