Fix statuses & path

Thank you for this great app. I really like it.

I patched for some issues.

I also made other patches for me, but I'm not sure it is good.
Please take a look.
https://github.com/YungSang/VagrantBar/tree/yungsang/patch
https://github.com/YungSang/VagrantBar/tree/yungsang/iterm