README.md: Greatly updated. Will do more in future.
administration.lua: Administrators will now be promoted to group admins upon joining an administrated
group.
drua-tg: Squashed all luacheck warnings.
chatter.lua: Mostly rewritten; things actually make sense now.
xkcd.lua: Slight styling change.
patterns.lua: Squashed a warning.
Relicense to AGPLv3, with consent of contributors.
bindings.lua completely rewritten. Shift to multipart-post.
Updated readme.
New plugins: bing.lua, channel.lua.
Removed plugins: floodcontrol.lua, librefm.lua.
luarun.lua: Will now serialize returned tables. Aliased "/return" to "/lua return".
