* Resynchronize with stable/icehouse (c837d83) (LP: #1432608): - [bc9013b] Transform sample_cnt type to int - [449f9d5] Move oslo.vmware higher in requirements.txt - [28f5027] Fix listener for update.start notifications - [63d934b] ensure dispatcher service is configured before rpc - [2a546ac] Fix a response header bug in the error middleware - [c837d83] Iterates swift response earlier to get the correct status * d/p/fix-requirements.patch: Rebased.