-Move everything out of init so unit tests are not affected.
-Make JEOS creation part of utils class, now tests can choose
which JEOS to use.
-Only attempt to create JEOS if a suitable one is not found in glance.
Change-Id: I162e7447ae1fed17855bdca8eba16ac7f952db01
Signed-off-by: Jeff Peeler <jpeeler@redhat.com>