exit alias -> killall tmux; removed all traces of emacs

zshrc

@@ -61,6 +61,7 @@ alias emptytrash="sudo rm -rfv /Volumes/*/.Trashes; sudo rm -rfv ~/.Trash; sudo
 alias dud="du -d 1"
 alias loc="cloc *"
 alias ls="ls -a"
+alias exit="killall tmux"
 alias quit="exit"
 alias howmuch="git ls-tree -r -z --name-only HEAD -- . | xargs -0 -n1 git blame --line-porcelain HEAD | grep  '^author '| sort | uniq -c | sort -nr"
 alias clipboard_clear="echo lol | pbcopy"