Cache the turtle
Merge pull request #8 from godiard/cache_turtle

Cache the turtle
clean up whitespace
added more inline SVG defs
use inline SVG to create blocks
use caching for blocks
added more cache updates
more caching
move to inlne SVG for block prototypes
fixed some issues with random block
remove unneeded artwork
oops... needed the trash icons
fixed problem with search for expandables; fixed problem with lessBlock label
more news
fixed mediaBlock issue -- wrong protoblock; tweaked label positions
add proper route to stage for text and image blocks
clean up
update cache when label changes
fix some issues with image thumbnails
added collapsible blocks