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

{% macro avatar(jid, class) %}
    {%- if identities is defined -%}
        {%- if identities[jid].avatar_basename %}
            <img class="avatar {{class}}" src="/cache/common/{{identities[jid].avatar_basename}}">
        {% else %}
            <span class="avatar avatar--generated {{class}}"><span class="avatar__content">{{identities[jid].nicknames[0]|first|upper}}</span></span>
        {%- endif -%}
    {%- endif -%}
{% endmacro %}