Add an integration guide to Kolla
Add an integration guide to Kolla

The best part about Kolla is using it!  In order to do that, we need to
instruct our consumers how it should be consumed.  This guide is a start
at that effort, but more work is needed.

Implements Blueprint: integration-guide

Change-Id: I64a3264a488f6dc934696307cd567e09d4817431

bdastur/kolla,stackforge/kolla,toby82/kolla,chenzhiwei/kolla,invenfantasy/kolla,nihilifer/kolla,thetrav/kolla,fdumpling/kolla,openstack/kolla,bdastur/kolla,openstack/kolla,dardelean/kolla-ansible,jakedahn/kolla,invenfantasy/kolla,limamauricio/mykolla,limamauricio/mykolla,rajalokan/kolla,LoHChina/kolla,rahulunair/kolla,negronjl/kolla,mandre/kolla,mandre/kolla,rahulunair/kolla,chenzhiwei/kolla,mrangana/kolla,rajalokan/kolla,LoHChina/kolla,nihilifer/kolla,tonyli71/kolla,brk3/kolla,mandre/kolla,intel-onp/kolla,fdumpling/kolla,HackToday/kolla,negronjl/kolla,thetrav/kolla,chenzhiwei/kolla,meticulo3366/kolla,rajalokan/kolla,tonyli71/kolla,intel-onp/kolla,invenfantasy/kolla,fdumpling/kolla,limamauricio/mykolla,dardelean/kolla-ansible,HackToday/kolla,meticulo3366/kolla,stackforge/kolla,dardelean/kolla-ansible,coolsvap/kolla,coolsvap/kolla,toby82/kolla,negronjl/kolla,jakedahn/kolla,toby82/kolla,brk3/kolla,mrangana/kolla,LoHChina/kolla,jakedahn/kolla,GalenMa/kolla,stackforge/kolla,HackToday/kolla,coolsvap/kolla,GalenMa/kolla