Update user.rb

Regex updated for username.
A none logged in user can watch a stream
Merge pull request #281 from projectcs13/sp8.sc3.watch_stream_when_not_logged_in

A none logged in user can watch a stream
Virtual streams support live updates
Fix button with default language
fixed bug that made backend unable to start after editing a vstream
Merge pull request #287 from projectcs13/sp8.sc3.live_updates_on_vstreams

Virtual streams support live updates
Merge pull request #282 from projectcs13/sp8.sc1.fixVStreamButtonInSwedish

Fix button with default language
Merge pull request #289 from projectcs13/sp8.sc2.fix_edit_vstream_crashes_the_backend

fixed bug that made backend unable to start after editing a vstream
redesigned my vstreams page
Merge branch 'develop' of github.com:projectcs13/sensor-cloud-website into sp8.sc2.redesign_my_vstreams_page
Make username downcase
Merge branch 'develop' of github.com:projectcs13/sensor-cloud-website into sp8.sc1.makeUsernameDowncase
fixed last updated crash
vstream tag->tags in vstreams_controller
last updated long time ago, if last update is not available
bump
various bugfixes
Merge pull request #291 from projectcs13/sp8.sc2.redesign_my_vstreams_page

Sp8.sc2.redesign my vstreams page
last update now shows correct time