fix uploading swfs on /f/

Conflicts:
	LICENSE
	builds/4chan-X.user.js
	builds/crx/script.js
move that where it belongs

Conflicts:
	builds/4chan-X.user.js
	builds/crx/script.js
Merge branch 'v3'

Conflicts:
	builds/appchan-x.user.js
	builds/crx/script.js
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  move that where it belongs
  fix uploading swfs on /f/