modal fix
(Bootstrap 3)
- Retry geolocation detection when it failed
- A little correction to README.md

Merge branch 'master' of https://github.com/simonkim/i-am-here-weirdmeetup into simonkim-master

Conflicts:
	client/client.js
	client/parties.html
update accounts-ui-bootstrap-3 to accounts-ui-bootstrap-3-blaze
(Issue #6 related)
Added 'Comment' feature issue:#7