Create get-involved.html
Merge pull request #6 from mmmay/master

Getting Involved documentation
Technical Index

An initial index of technical topics for eventual documentation.    At
the top level, these include:

* Development
* User Interface
* Services
* Code Structure
* Data Management
* Clustering and Performance
* Integration
* Technical Administration
Merge pull request #7 from mnorton/master

Technical Documentation Outline