Reorder/Reorg the site

* Moves speakers to schedule section
* Update schedule with lunch and party
* Add conference overview to index page
 * @TODO: Needs some styling love
* WIP Highlight keynotes on homepage front and center
 * @TODO: Needs to be styled
* WIP building out venue section
 * @TODO Add Recommended Neighborhood information
* Rename blog to purpose. Add first drafts of articles
 * @TODO review and edit articles. add images.