updated sitemap
deleted superfluous files
added PayPal donate button
added registration thank-you

(based on our shared template)
removed superfluous fields from tree registration

(per Kate's recommendation)
fleshed out tree filters

* swapped out tree type drop-down menu for checkboxes
* added functional slider for harvest status
added icons to navbar drop-down menus
wrapped harvest page content
fixed thanks page redirects

(Also, changed debug mode to allow local-area network connections.)
miscellaneous style changes

* absolutely positioned filters
* removed footer (because our address is on our about page)