Merge pull request #161 from vishnuvv/BugFixes

Handled the null check in slickgrid onupdate datasource event
1. Moved bgpMonitor utils object to monitor_infra_utils.js
2. Changes to pass the tooltip function(tooltipFn) while initializing scatterChart, which will be called for getting the content to be rendered in tooltip
Merge pull request #164 from nagakiran/tooltipChanges

1. Moved bgpMonitor utils object to monitor_infra_utils.js
Added modal-560 CSS for the floating IP pool create window.
Merge pull request #165 from balamurugang/bugFix

Added modal-560 CSS for the floating IP pool create window.
Re-factoring the tooltip function for scatter chart.
Earlier, there is a seperate function for handling overlapped tooltip. Merged with the common changes