Don't use OpenStack plugin in tox
Don't use OpenStack plugin in tox

This plugin provides syntax colouring of the tox output, at the cost of no
longer reporting errors in test setup (instead it just reports no tests run
-> success).

Change-Id: Idf4f71a54af6303090d464b0846e563ac3776e4a
Signed-off-by: Zane Bitter <1899fff8e7db19a598ee9d835aa1a232f82ea264@redhat.com>

srznew/heat,noironetworks/heat,dims/heat,takeshineshiro/heat,NeCTAR-RC/heat,takeshineshiro/heat,varunarya10/heat,Triv90/Heat,steveb/heat,cryptickp/heat,openstack/heat,JioCloud/heat,cwolferh/heat-scratch,pratikmallya/heat,jasondunsmore/heat,JioCloud/heat,varunarya10/heat,NeCTAR-RC/heat,maestro-hybrid-cloud/heat,gonzolino/heat,pshchelo/heat,rdo-management/heat,rh-s/heat,dragorosson/heat,steveb/heat,gonzolino/heat,redhat-openstack/heat,cryptickp/heat,jasondunsmore/heat,noironetworks/heat,rdo-management/heat,maestro-hybrid-cloud/heat,srznew/heat,Triv90/Heat,rh-s/heat,dragorosson/heat,openstack/heat,cwolferh/heat-scratch,Triv90/Heat,rickerc/heat_audit,pshchelo/heat,dims/heat,miguelgrinberg/heat,redhat-openstack/heat,citrix-openstack-build/heat,miguelgrinberg/heat,pratikmallya/heat,ntt-sic/heat,rickerc/heat_audit,citrix-openstack-build/heat,ntt-sic/heat