Allow root doc to be set
Show progress before any js loads
Merge branch 'master-redesign' of github.com:sharelatex/web-sharelatex into master-redesign
add Ctrl-Enter hotkey
Merge branch 'master-redesign' of github.com:sharelatex/web-sharelatex into master-redesign
Don't show options that don't make sense for anonymous users
Homepage css tweaks
Merge branch 'master-redesign' of github.com:sharelatex/web-sharelatex into master-redesign