Make flake8 ignore *.egg
Make flake8 ignore *.egg

pbr runs can leave *.egg directories around in the root directory.
Prevent our pep8 test from inspecting these (and failing).

Change-Id: I81c581639639fac612319ef2f02a3b8e37d9047c

MCDong/barbican,openstack/barbican,cneill/barbican,openstack/barbican,jmvrbanac/barbican,MCDong/barbican,cneill/barbican,jmvrbanac/barbican,cloudkeep/barbican,cloudkeep/barbican