Adding a flag to allow making lp optional in app create
Adding a flag to allow making lp optional in app create

Change-Id: Ia7a10e0dd33014b920f4cb85333110a0a768723f
Depends-On: I1c72d4a4ac68f358e39a09e2e0bfedd137bfe408
Partial-Bug: #1571011

stackforge/python-solumclient,openstack/python-solumclient,stackforge/python-solumclient