<oo-diagnostics> Bug 976874 - Detect abrt-addon-python conflicts

https://bugzilla.redhat.com/show_bug.cgi?id=976874

abrt-addon-python does not play nicely with the python cartridge, alert
if the following conditions are met:
1) RHEL 6.4 (RHEL 6.5 will contain an update to abrt-addon-python)
2) abrt-addon-python installed
3) python v2 cart installed