Adding new global requirement for pyasn1_modules

This new package is needed for TLS common utilities
module in Newtron project for the new TLS offloading capability
in Neutron LBaaS service.

Change-Id: I78b825740823414cc324df6b74945fb7f6b97932
Implements: blueprint lbaas-ssl-termination
Update oslo.vmware to version 0.5

The version has the following additions:
1. SPBM support
2. Support for extension - enable Nova to indicate that an instance is
   owned by OpenStack
3. Better logging
4. Translations hints

This will be used for the following:
1. Nova blueprint use-oslo-vmware
2. Nova blueprint vmware-spbm-support

Change-Id: Ia5eb341ca93bd83970fdc6c171fc92f1326e9c5a
Merge "Adding new global requirement for pyasn1_modules"
Merge "Update oslo.vmware to version 0.5"