fix #71: make the link link easier to see
square the input edges
fix load
simple http module
use http module for opentsdb
split module names an imports
move load_modules to modules
include bound name in help, improve help for functions that aren't imported
help for modules
fix #52: don't set code after clear, import a 'notebook' module
remove notebook dependency from builtins, clean up notebook run context
usually json
Merge branch 'master' into frp

Conflicts:
	src/app.coffee
	src/graphite.coffee
	src/notebook.coffee