Upgrade Tor Browser to 5.0.2

It fixes a serious vulnerability that warrants an emergency release: https://www.mozilla.org/en-US/security/advisories/mfsa2015-94/

Feature Branch: feature/10112-tor-browser-5.0.2

Original created by @anonym on 10112 (Redmine)

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information