fix select2 focus after adding a friend
support searching friends list
Merge branch 'master' of https://github.com/getlantern/lantern-ui

* 'master' of https://github.com/getlantern/lantern-ui:
  Escape peerids for use in CSS selector using the cssesc library
  fix select2 focus after adding a friend

Conflicts:
	app/js/directives.js
	app/partials/modals.html