Merge pull request #158 from nagakiran/dashboardChanges

1. Added "webroot/js/dashboard-utils.js" with common dashboard code
Added support for specifying feature CSS files in menu.xml
Eg:
        <item>
            <hash>mon_infra_dashboard</hash>
            <label>Dashboard</label>
            <rootDir>/monitor/infra/dashboard/ui</rootDir>
            <view>monitor_infra_dashboard.view</view>
            <js>monitor_infra_dashboard.js</js>
            <css>test.css</css>
            .....
        </item>
Merge pull request #159 from nagakiran/loadCss

Added support for specifying feature CSS files in menu.xml
Implemented addressfamily changes and added hold time to BGP peer config page
Merge pull request #160 from sbavanasi/BGP-Peer

Implemented addressfamily changes and added hold time to BGP peer config...
Handled the null check in slickgrid onupdate datasource event
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
Merge pull request #166 from vishnuvv/BugFixes

Re-factoring the tooltip function for scatter chart.
1. Moved common templates used in dashboard to core repo (webroot/views/contrail-common.view)
2. Added “clickFn” under “chartOptions” while calling initiScatterChart, which will be called once a node is clicked in scatter chart.
3. Moved getDownNodeCnt,sortInfraAlerts and sortNodesByColor are moved to dashboard-utils.js under object “dashboardUtils”.