gmail-message-mode-signature-properties can hide the signature.
BREAKING CHANGES

Rename tons of stuff
Also Better garbage hiding
Merge branch 'master' of github.com:Bruce-Connor/gmail-mode

Conflicts:
	gmail-message-mode.el
Support for edit-server (from chrome).
Edit server almost working

everything sets up right, but can't find a way to focus the other
buffer.
Edit with emacs support complete