Might as well not mention Mixpanel now that we're sending all events to
Segment.
Commit done with:
git grep trackMixpanelEvent | cut -d : -f 1 | sort -u | \
xargs sed -e s/trackMixpanelEvent/trackAnalyticsEvent/g
* Added mixpanel tracking for bunch of events.
* Changed hitEnter action to pinSearch.
* Moved all the event tracking out of app-actions.js
* Addressed @foot's comment.
* Added more keypress events tracking.
* Disable 'r' keyboard shortcut when Resource View is disabled
