first cut of new examples
do implementation header in example
GeoJSON shape example
typo fix
added callout accessory, clustering, and conversion
re-enable search filter
typo fix
fix sorting
added Pygments for syntax highlighting
removing unneeded pygments.css
code doesn't need escaping with Pygments
clean up unused CSS
remove Pygments reference
syntax highlighting improvements
move syntax highlighting CSS centrally; fix up some XML in guide