Merge pull request #16803 from s0undt3ch/hotfix/bootstrap-script-2014.1

Update the bootstrap script to the latest stable release v2014.10.21
Update to the latest bootstrap script, v2014.10.28

* Install the python systemd bindings for Arch and Fedora git installations
* Allow cloning from Salt's git repository using HTTPS. saltstack/salt-bootstrap#475