Ensure Buildbot repo has a higher priority than the ClusterHQ repo
Ensure Buildbot repo has a higher priority than the ClusterHQ repo

During a release, it is possible for the ClusterHQ repo to contain
higher version numbers than the develpoment branch.  This causes
problems where the install will try to install the named development
version of the top-level package, but the latest version of dependencies.

hackday-profilers/flocker,w4ngyi/flocker,mbrukman/flocker,moypray/flocker,adamtheturtle/flocker,1d4Nf6/flocker,jml/flocker,LaynePeng/flocker,AndyHuu/flocker,agonzalezro/flocker,Azulinho/flocker,jml/flocker,Azulinho/flocker,Azulinho/flocker,AndyHuu/flocker,jml/flocker,hackday-profilers/flocker,mbrukman/flocker,moypray/flocker,w4ngyi/flocker,AndyHuu/flocker,LaynePeng/flocker,lukemarsden/flocker,moypray/flocker,LaynePeng/flocker,wallnerryan/flocker-profiles,achanda/flocker,lukemarsden/flocker,mbrukman/flocker,lukemarsden/flocker,wallnerryan/flocker-profiles,adamtheturtle/flocker,achanda/flocker,w4ngyi/flocker,achanda/flocker,hackday-profilers/flocker,wallnerryan/flocker-profiles,1d4Nf6/flocker,adamtheturtle/flocker,agonzalezro/flocker,agonzalezro/flocker,1d4Nf6/flocker