aliases: add powerline_update

aliases.sh

@@ -77,6 +77,8 @@ else
     echo "Could not grc completion file (checked /etc/grc.zsh and /usr/local/etc/grc.zsh. Command colorization will not work. Check your grc configuration (is grc installed?)" 1>&2
 fi
 
+alias powerline_update="pip install --upgrade --user 'git+https://github.com/powerline/powerline.git@develop#powerline'"
+
 # dotfiles user aliases
 if [[ -f ~/.dotfiles_aliases ]];
 then