Lots of style fixes
Fix giant .captcha-img on refresh
Fix #qr-filerm bringing up file dialog and showing without a file
Fix .qr-shortcut not being toggled by certain events
Fix empty string being passed to $.id
Override mime type, avoid element not found error in updater
Add text cursor to file input in QR
Don't forget to remove disabled class on quote
Merge pull request #246 from seaweedchan/v3

Style and bug fixes