Restructures flow to incldue main welcome splash page.
Formats nav bar.  Adds ability to edit list title on title click. Cleans up dead links/alerts.
Separates board header into new div.  Formats board title and delete button
Adds functionality to board edit name so that field clicks off / blurs properly and renders back to normal. Same implementation as add list / add card fields.
Adds blur click off effect to list title edit
Adds logo. Formats welcome screen.  Adds guest login.