chat: Add forward, rich editing and extra recipients: - There is a new "forward" menu in message. For now, a simple prompt ask for recipient JID. - A new "extra" menu is available next to input field. Inside there are 2 items for now: add extra recipient, and toggle rich edit mode. - Extra recipient option add a field to add an email-like "to", "cc" or "bcc" recipients. - Rich edit let use rich styling such as bold, italic, underline, etc. rel 461

include MANIFEST.in sat_templates/VERSION
global-include *.py
global-include *.html *.xml
global-include *.css *.js
global-include *.woff *.woff2
global-include *.ini
global-include *.po *.mo
global-include *.txt
global-include CHANGELOG COPYING* INSTALL README*
global-exclude *.un~