message: Detect if browser is chrome
diff: +useragent = require('useragent')
  Authentication = require '../../models/authentication'
  bookmarklet = require '../../lib/bookmarklet'
  @@ -15,6 +16,7 @@ bookmarklet = require '../../lib/bookmarklet'
  tab: tab
  auth: auth
  bookmarklet: bookmarklet
  + isChrome: useragent.is(req.headers['user-agent']).chrome
  @findFriends = (req, res, next) ->
  tab = res.locals.sd.TAB = 'find-friends'
  