Modify `tmux-restore-window-conf' to restore the current windows
Add `tmux-find-file' to invoke `helm-find-files' from zsh
Add `tmux-switch-to-buffer' to invoke `helm-buffers-list' from zsh
Add helm as a submodule
Update helm
Set `helm-buffer-max-length' to 50
Make `electric-indent-chars' a buffer local variable
to enable `electric-indent-mode' only in specific major modes