#175 handle changing props ins ObservableMixin
improved github flow
don't set user settings to null
clean up gist link
page should still load if lead server is not available
render app before module initialization finishes
split context components into separate file
don't require http in builtins
don't return object from fn
remove modules.create
give each compiled coffeescript a different sourceURL
improve module init process
fixes #132, fixes #189: ditch stacktrace-js
fix #192: don't read settings until init
fix context test
expose app through context
fix error example
some coffeescript exceptions are different
fix #180: unicode to ascii before btoa
support slashes in gist urls