Update to latest bootstrap script v2015.11.04

* Allow bypassing dependencies installation. Thanks EYJ. saltstack/salt-bootstrap#656.
* Add FreeBSD 11 support. Thanks Chris Buechler(cbuechler). saltstack/salt-bootstrap#653
* Move RHEL installations to use repo.saltstack.com saltstack/salt-bootstrap#674
* Move Debian 8 installation to use repo.saltstack.com saltstack/salt-bootstrap#674
* Fix error finding python-jinja2 in RHEL 7. Thanks Rob Eden(hedinfaok). saltstack/salt-bootstrap#654
* Move Ubuntu 12 and 14 installations to use repo.saltstack.com saltstack/salt-bootstrap#674
* Move FreeBSD installations to use repo.saltstack.com saltstack/salt-bootstrap#674
* Use dnf on Fedora 22 and later. Thanks Michele Bologna (mbologna). saltstack/salt-bootstrap#665