No more reboot on first try

Not sure if removing omnibus is a good idea though.
cs translation update
enhance upload selector

- Change the icon on the button to a file when attachments are enabled
- Display the list of allowed extensions in the upload selector
- FIX : regexps for validating uploads weren't escaping the dots
clarify 4 GB total with swap
Merge pull request #1283 from ZogStriP/enhance-upload-selector

enhance upload selector
rails 4 to use github branch so we get all fixes (in particular order fixes)
we need email scope (also as I edit files I like to keep quoting consistent)
work in progress, will finalize soon
correct scope, it should user:email to get read access to email
nuking turbo sprockets, having lots of issues precompiling on jenkins
an attempt at getting this working on rails 4 ... not fruitful
favorite user action consistency
broken hinting fixed
Merge pull request #1280 from kubabrecka/cs_update50

cs translation update
Fix: flag modal sometimes doesn't have nuke user button when it should
Fixed GitHub auth, GitHub can provide us with a valid email - so automatically log in for those cases
oh my this convenience method sure is not convenient
read restricted categories should have a glyph
allow onebox whitelist to be extended
flatten the new / unread post badges