remove unused plugins
redesign & refresh content; remove & update old services; new map service

would have liked to turn this into granular commits, but all of my git
guis, and git itself, had strange failures trying to apply the patch

* redesign site
* strip trailing whitespace and add trailing newlines
* refresh site (header/footer/title) content; add IG link
* add new map, driven by leaflet/cloudmade. will require
  new PHP backend for posting /location.json
* change to twitter-sanctioned widget
* fix missing lastfm image
* remove unused JS plugins
* remove gauges analytics
* change to better RSS jQuery plugin for 4sq
* upgrade jquery timeago plugin
tweak footer content & appearance
remove hover color on footer
add simple location post script
fix footer hover
closes #1 - fix last.fm timestamps during DST
spaces > tabs
change speed threshold for "moving"
auto-timestamp when a location is posted