~samwhited/xmpp

xmpp/paging d---------
paging: ensure index is an attribute

Signed-off-by: Sam Whited <sam@samwhited.com>
all: generate disco features

Signed-off-by: Sam Whited <sam@samwhited.com>
paging: add WrapIter

Signed-off-by: Sam Whited <sam@samwhited.com>
paging: new package implementing RSM

Signed-off-by: Sam Whited <sam@samwhited.com>