Remove Olaf (already known above in list as Olaf Hering).
Feed the contributors list.
update AUTHORS file
add RFE 4686, 'use gtk native filechooser' patch by nycex
add newly updated (almost complete) Portuguese translation by Hugo Carvalho
fix bug 4618, 'Rate limit by remote breaks queued/marked actions (Delete/Move)' patch by Charles Huber
fix bug 4679, 'The correct date header is interpreted incorrectly to display strange date.' patch by Takayuki Sakaguchi
fix bug 4664, 'OAUTH2 overwrites passwords even for plaintext logins' based on patch by Roland Haas
fix bug 4658, 'Headers unfolded incorrectly in message view' based on patch by Viatrix
Fix duplicate menu shortcut (thanks to JP Guillonneau)
remove (now ex-)German treanslator's email address at his request
update team data
Remove duplicated entry
update Polish translator info
updat for page of Ferman manual, submitted by Christoph Klassen
fix bug 4312, 'litehtml plugin loops (hangup)' patch by Frank Mueller
Fix merge conflict Signed-off-by: Michael Rasmussen <mir@datanom.net>
fix conflict
fix bug 4326 'Xft.dpi != 96 messes with text display in litehtml viewer' patch by Ramin Yaghoubzadeh Torky
Merge branch 'master' into oauth2