fix public key exchange on the lobby.
show uncompressed addresses when the public key is provided uncompressed.
show value as positive in sending notifications.
fix bad check for type.
fix check for payload type.
fix contacts unit tests for changes in how main address is derived.
Allow adding more addresses for contacts.
Added face directive to replace identicon.
work on send view
Change peer table to index by fingerprint.
Merge branch 'develop' of https://github.com/darkwallet/darkwallet into develop
Leave faces in chat cloaks and leave identicons for identities (for now).
fixes on advanced send