less wordy and concise is welcome but not if they are not understable. moreover it is better that the user understands what that is than see a small tooltip and not completely understand. I revert with the only change that I agree that the first The can be removed. "Used this window" you cannot be serious though.. :P

if we don't habe the real jid, we don't show bigger avatar cause it's not saved in HD

self.node_to_dict always return a dict

connect the key_press_event in messagetextview so that we know when we press a normal key (a, b, ...) and we can reset last_key_tabs[room_jid] variable

then ask the vcard, and resend a new presence only if avatar has changed

we save the current sha in memory and we update it when we receive the vcard
we re-ask the vcard when we receive a presence with a new sha

new gajim theme (delete all lines in your config starting with themes. to see it) and theme names are now translatable