Updated ja.coffee
Added translate contributor.
Translate items under multiplayer_launch
Update es-419.coffee

Various sections translated
Progress towards LinkedIn integration
Update uk.coffee

I have translated part of it. please check it for mistakes and add it to your page if all is alright. in few days i‘ll try to translate to the end
Propagated i18n.
Push for george
Hide Create New System/Create New Component links in menus from non-admins
Fix #916
Employer signup works
Various tweaks to employer signup
Fixed jqxhr error display
Merge feature/linkedin into master
Potential popup blocker fix
Code review of 97d3b6.
I guess emails might not be there.
Improved bad sendwithus error logging.
Listed a few new levels.
Show spell palette for Thangs with apiProperties that aren't programmable.