tor circuit display has text positioning/alignment problems for RTL languages

Reported by Sherief: ![https://lists.torproject.org/pipermail/tor-qa/attachments/20150225/35ab6fb4/attachment-0003.png, 100%](https://lists.torproject.org/pipermail/tor-qa/attachments/20150225/35ab6fb4/attachment-0003.png, 100%)