Flesh 0.1.1 - Flesh Reactive Programming

General changes
- New React interface!
- Proper JID handling
- Configuration type (Stream.config)
- Feature type

Fixes
- remove the infamous Success! message
- add missing dependencies

New modules
- Jid
- Session

Interface changes
- new opaque domain type
- new domain field
- domain is carried across portal

TCP changes
- fix choking on <7 bytes input
- buffer flushes are cooperatively scheduled
- socket connections can retry (3 times by default)