api remodeling
lib cleanup

- updated download links
- dropped photobot (because coreimage)
build system updates

- brought syntax coloring in sync with the final api
- moved the toc listing to its own file (for easier reloading)
try to avoid the purple flash
bullet config
reflect size(), geometry(), and pen() args
s/draw=/plot=/
added a nav link to the project page
corrected Color tutorial links
clear out misguided args-in-header changes
rearranged the blob of utility refs
updated refs
new refs
snippet generator
link fixes
relink images on every build