bump version number to 0.2
bump version number to 0.2

Change-Id: I9b812e4b150bacc05d354e16e3089f70eae152d6
Signed-off-by: Doug Hellmann <8c845c26a3868dadec615703cd974244eb2ac6d1@dreamhost.com>

dreamhost/ceilometer,tanglei528/ceilometer,tanglei528/ceilometer,idegtiarov/ceilometer,rickerc/ceilometer_audit,pczerkas/aodh,redhat-openstack/ceilometer,maestro-hybrid-cloud/ceilometer,sileht/aodh,froyobin/ceilometer,isyippee/ceilometer,chungg/aodh,Juniper/ceilometer,fabian4/ceilometer,m1093782566/openstack_org_ceilometer,m1093782566/openstack_org_ceilometer,NeCTAR-RC/ceilometer,JioCloud/ceilometer,openstack/ceilometer,citrix-openstack-build/ceilometer,JioCloud/ceilometer,chungg/aodh,maestro-hybrid-cloud/ceilometer,eayunstack/ceilometer,citrix-openstack-build/ceilometer,cernops/ceilometer,rackerlabs/instrumented-ceilometer,sileht/aodh,MisterPup/Ceilometer-Juno-Extension,mathslinux/ceilometer,r-mibu/ceilometer,idegtiarov/ceilometer,froyobin/ceilometer,JioCloud/ceilometer,pkilambi/ceilometer,luogangyi/Ceilometer-oVirt,tanglei528/ceilometer,shootstar/ctest,fabian4/ceilometer,citrix-openstack-build/ceilometer,dreamhost/ceilometer,eayunstack/ceilometer,shootstar/ctest,MisterPup/Ceilometer-Juno-Extension,rickerc/ceilometer_audit,pkilambi/ceilometer,r-mibu/ceilometer,ityaptin/ceilometer,rackerlabs/instrumented-ceilometer,NeCTAR-RC/ceilometer,NeCTAR-RC/ceilometer,ityaptin/ceilometer,pczerkas/aodh,luogangyi/Ceilometer-oVirt,Juniper/ceilometer,openstack/aodh,openstack/aodh,redhat-openstack/ceilometer,openstack/ceilometer,cernops/ceilometer,isyippee/ceilometer,rackerlabs/instrumented-ceilometer,rickerc/ceilometer_audit,mathslinux/ceilometer