Add more docs for Multi VIM/Cloud project

This Patch is to add documents of deploymnet guide and API description into
the project.

Change-Id: I55ff0b8238aa79fd20808b6e9134ab1e77285cbb
issue-id: MULTICLOUD-86
Signed-off-by: Xinhui Li <lxinhui@vmware.com>
4 files changed