Updated README
SMTP Send: log errors
Added draft of chrome extension
Extension can log into other scramble hosts.

Also, refresh etc fixed.
unicode fix for contacts and incoming plaintext.
Convert body to unicode from incoming plaintext
Fixes #61: Warn users before navigating away from draft
fix js tests
Decode RFC 2047 email headers. Fixes #64
Receive same Message-ID (identical email) multiple times

If the same message is forwarded to us again--for example, email forwarding set up in multiple ways, or email from a Scramble address forwarded back to Scrmable--then we check that it's identical. If it is, we don't panic. Fixes #59 for now.
Fall back to non-TLS SMTP if STARTTLS fails
Sending email: friendly error messages
Moving & sending disables controls temporarily
Client: URI encode email IDs before using in URL