Removed /duck command
Removed /help other
Updated TODO for 0.4.5 release
Don't show join messages on subsequent /join commands
Show occupants role and affiliation when they join a room
Add output for when both role and affiliation changed at same time
Added reason to role/affiliation changes
Merge branch 'master' into plugins

Conflicts:
	src/command/command.c
	src/ui/window.h
	src/ui/windows.c