add subscription handler

use #ifdef DEBUG

remove outdated vcard avatar impl; xep-0084 now works with prosody

remove size, more efficient way of publishing avatar to hex

make prosody accept the publish messages for avatar

move to pubsub avatars, TODO prosody complains about invalid iq on publish1

helptext

variable filename

support simple report msg

mutex

respond with name of user

use threads instead of signals

from globals to static lifetime

move includes to source

refactoring