preselect pid in pid selector

- fixup messaging on pid selector
adjust bottom margin on pid selector
add generic popover for disabled apps

- add generic popover directive
- custom handling of display/hide
metrics cleanup

- add scroll logic based on offset
- convert ticker to round elements
- adjust margins and font sizes
- added chart titles
- final visual polish
- revert label element to span for validation comment
Merge pull request #772 from strongloop/feature/apply-design-start-stop

Add start-stop and circle icons to font icons

#709 #105
Merge pull request #779 from strongloop/feature/landing-page-redesign2

add generic popover for disabled apps

#572
Merge pull request #778 from strongloop/feature/profiler-navbar

preselect pid in pid selector

#730
Merge pull request #775 from strongloop/fix/632-fix-chart-left-margins

Fix/632 fix chart left margins (metrics visual clean up)