Replace the print statement, that is only available in Py2, with a
print function that is available in both Py2 and Py3 and drop the
explicit python version in the shebang.
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>
Signed-off-by: NRadostin Stoyanov <rstoyanov1@gmail.com>

PEP8 recommends not having spaces around = in a keyword argument or
a default parameter value.

https://www.python.org/dev/peps/pep-0008/#other-recommendationsReviewed-by: NDaniel P. Berrangé <berrange@redhat.com>
Signed-off-by: NRadostin Stoyanov <rstoyanov1@gmail.com>

Various version of json_reformat use different number of spaces for
indenting. Let's use a simple python reformatter to gain full control
over the formatting for consistent results.
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
Reviewed-by: NJohn Ferlan <jferlan@redhat.com>