Update README.md

Follow redirect. Github does a 301 at the URLs above.
Update install.sh

Changed ssh to https for github cloning. Problems with key-less users.
Update .vimrc.bundles

Removed git@github.com repose. Problems on key-less users.
Use local repo if already cloned. Mainly useful for dev.
Fix for no repo found
Merge pull request #2 from valer-cara/master

Update README.md