certmaster.spec: Try to simplify the support for rhel3+python2.3 a little bit.

certspec: Try to simplify the support for rhel3+python2.3 a little bit.

We let distutils do the /usr/bin/python path munging for the files that need
it (aka, everything in "scripts"). So we can get rid of the patch for this
(we also cleaned up all the files that had a #! set that didn't need it)

Some minor spec file formatting changes as well