add stats json api
remove unnecessary transaction from old stats page
server route changes

allow blob with explicit mediatype
add stats route
remove static page routes
move static pages into own package
coins are now AnyVal to better reflect that they are just wrappers around nodes
remove coin.toString overrides
blobs are now stories
remove complicated optimization to use cached blob
optimize imports
use story blob in IOUtil
do not compile old static pages (allow removing unused interfaces)
remove unnecessary logic on coins
remove code from coin.Blob, optimizee coin imports
do not compile remaining static pages
move coin subclasses into coin object
config is no longer a coin
move config to store package
collection is no longer a coin
all coins have stories
story coins are no longer a thing