Add pre-release PyPI jobs for WSME
Add pre-release PyPI jobs for WSME

WSME releases beta versions before doing official
releases to allow non-OpenStack projects to test
updates or avoid packages that aren't fully baked.
This change adds the jobs to publish to PyPI when
pre-release tags are added to the repository.

Change-Id: I65ca7e58f60597aecf63748c5788f6a8a83eac2e

Tesora/tesora-project-config,citrix-openstack/project-config,dongwenjuan/project-config,osrg/project-config,Tesora/tesora-project-config,noorul/os-project-config,coolsvap/project-config,dongwenjuan/project-config,openstack-infra/project-config,anbangr/osci-project-config,open-switch/infra_project-config,coolsvap/project-config,osrg/project-config,anbangr/osci-project-config,noorul/os-project-config,open-switch/infra_project-config,citrix-openstack/project-config,openstack-infra/project-config