Standardize Info & Tor Services Sites

-domains
- [ ] Lifehash.info
- [ ] SeedTool.info
- [x] Esplora.BlockchainCommons.com
- [ ] Siliconsalon.info
- ??
- Consistency: standard format and inclusion of elements as follows:
- [ ] Some common skinning, logo, branding
- [ ] Point to Repos
- [ ] Point to BCC
- [ ] Point to Other Notable Elements
- [ ] Javascript degrades gracefully under Tor or Javascript turned off.

- [ ] Decide a methodology for linking subsites from www.blockchaincommons.com (and do so)

Also see standardization in #147.

Some standard text is at:
https://github.com/BlockchainCommons/Community/blob/master/web-info-conventions.md

* If there's a standard sidebar, what does it look like?
See also #27