Use non-broken version of setuptools, and fix bootstrap to be more portable.

Use non-broken version of setuptools, and fix bootstrap to be more portable.

Most recent version of setuptools breaks when asked to load requests 0.14.0.
symptom, complains about not being able to import filterfalse thus:
        from six.moves import map, filter, filterfalse
this comes from setuptools, and older versions of setuptools don't have
this problem.

Various versions of centos7 and fedora have interesting names for packages,
	centos7: python-pip is python2-pip
	fedora24: python-virtualenv is python2-virtualenv
This is somewhat masked by using sudo yum: if the actual package
is installed, rpm knows that the capability is there and does nothing.
But, if the package isn't there, or you haven't chosen to set up
sudo to work that way, this does not work.

Signed-off-by: Marcus Watts <mwatts@redhat.com>