show number of comments on the collapsed panel.
Merge branch 'master' of github.com:exklamationmark/hacknroll_noobs

* 'master' of github.com:exklamationmark/hacknroll_noobs:
  When hovering over a comment, the text connected to it is highlighted
  Change show_comment to match Hoang's data & use Mustache
  Relative offset experiment

Conflicts:
	cloud_context_frontend/plugins/panels.js
	cloud_context_frontend/plugins/show_comments.js