Adding developer/operation documents including:
1. Glossary
2. Install and configure
3. Deploy Marconi in a minimal HA env
4. Access API with Marconi client
Co-Authored-By: Fei Long Wang <flwang@cn.ibm.com>
Implements: blueprint docs
Change-Id: I2549995fb0754c7f3c8ce718639e1299e2805795
bf09f09d0d