blueprint quantum-lbaas

This implements the UI for quantum lbaas. Add/Delete Pool, Vip, Member,
PoolMonitor for lbaas is implemented.

Expected future extensions:
1. Update Vip/Pool/Member
2. Use of floating IP as VIP

Change-Id: Icde452b97a5e02d2381b996350b13aba3d87bb8e
Merge "blueprint quantum-lbaas"