Merge pull request #24 from manojgn/CleanupBranch

Fix for 3053,3055 and some cleanup
More directory structure changes
- Changed the folder/file names from computenode to vrouter for
consistency
- Changed the has also from mon_infra_compute to mon_infra_vrouter
- Created common folder in infra for common files.
- Split the monitor_infra_dashboard.view and moved the common things to
monitor_infra_common.view