Resolves #244 and #193 - Add admin section, Import parameters

Reorganized framework into lib, public and routes directories
Added admin and login/logout routes
Added load routes for parameters and stations
Updated templates to use header and footer files
Extracted css from main template
Added IOOS default parameter information
Updated homepage text

Note, the apache webroot should now be configured to point to /public
The routes to access data have also changed to /timeseries from /data.php