Merge pull request #9 from pebra/master

Fixes dependencies when running on mac or linux machine
remove patch level from target ruby version in .ruby-version
add opera to webrtc compatible browsers
Merge branch 'master' of github.com:palavatv/palava-portal
re-add uglifier gem
fix robots.txt
typo fix
Merge pull request #11 from tpltnt/master

typo fix
Introduce horizontal spacing for stage video
Merge branch 'master' of github.com:palavatv/palava-portal
Merge branch 'master' into feature/mobile-palava
bootstrap 3 fixes: change name popover, above side video, "Options"