Merge branch 'develop' into pushers

CHANGES.rst

README.rst

UPGRADE.rst

VERSION

contrib/jitsimeetbridge/jitsimeetbridge.py

contrib/jitsimeetbridge/syweb-jitsi-conference.patch

contrib/jitsimeetbridge/unjingle/.swp

contrib/jitsimeetbridge/unjingle/strophe.jingle.sdp.js

contrib/jitsimeetbridge/unjingle/strophe.jingle.sdp.util.js

contrib/jitsimeetbridge/unjingle/strophe/XMLHttpRequest.js

contrib/jitsimeetbridge/unjingle/strophe/base64.js

contrib/jitsimeetbridge/unjingle/strophe/md5.js

contrib/jitsimeetbridge/unjingle/strophe/strophe.js

contrib/jitsimeetbridge/unjingle/unjingle.js

contrib/vertobot/.gitignore

contrib/vertobot/bot.pl

contrib/vertobot/config.yaml

contrib/vertobot/cpanfile

contrib/vertobot/verto-example.json

scripts/check_signature.py