scaffold out the web app.
migrate htdocs conf and lib into the src directory.
embed hazdev-template in the app.
Update references to the template in the php files.
Add side navigation to the help pages.
Remove SITE_TITLE from _config.inc.php. This variable is no longer used.
Add Map and List link to the side navigation in the documentation section.
Merge pull request #4 from ehunter-usgs/web-app

App-ify earthquake-latest-earthquakes