[tmux.conf] add q flag to utf8 option setting, so it won't error on new versions (where utf8 setting has been removed)
[tmux.conf] add q flag to utf8 option setting, so it won't error on new versions (where utf8 setting has been removed)

MatthewCox/dotfiles,MatthewCox/dotfiles,MatthewCox/dotfiles,MatthewCox/dotfiles