Added screencast.com to whitelist.rb

Adding onebox support to screencast.com could be useful.
Fixed russsian localization
Merge pull request #1456 from Krugloff/patch-1

Fixed russsian localization
Merge pull request #1449 from seblavoie/patch-1

Added screencast.com to whitelist.rb
Revert "remove unnecessary (empty) view class"

This reverts commit 58ba8a0e49f0ac875c1eddfff843d3fe1927340f.
Fix missing provider param message when using Persona
Merge branch 'master' of github.com:discourse/discourse
Show mobile view as default for nexus 7 tablet
Typo fix
Merge pull request #1463 from gaurish/patch-3

Typo fix
add edit and quote admonitions to seq reply warn
Merge branch 'master' of https://github.com/discourse/discourse