fix resize issue hiding profiler header on iframe loading
Merge pull request #585 from strongloop/fix/510-profiler-losing-arc-header

Fix/510 profiler losing arc header
add watchdog popover directive

- repurpose help popover for watchdog popover
- add directive to pid selector (only visible if isMetrics flag is true)
add watchdog popover directive

- remove duplicate style
add watchdog popover directive

- hide watchdog for now
add popover for menus

- add flag to hide on page click
- otherwise use mouseenter/mouseleave to hide menu
- add global pageClick event