Stub out OutboundHelper
Test stubs for OutboundHelper
Move infer_addr_type out of contacts.dummy and into utils
Move format_addr out of contacts.dummy and into utils
Implement OutboundHelper (involved changing send_to() to send(), which now accepts an options object only)
Add OutboundHelper to InteractionMachine
Add a default for 'endpoints' in IMConfig
Add docs for OutboundHelper
Remove old parts of DummyApi
Remove old parts of DummyApi tests
Move DummyApi's init call to the bottom
Move state translation to switch_state (just before exiting the old state)
Fix modules missing from their indexes
Remove the header comments still around in some modules
Change tests to all require the the lib directly instead of individually requiring everything
Use single quotes for requires
Two spaces between module-level things
Enclose all tests in a describe for their test module
Document delivery classes in ContactStore.get
Docstring fixes and improvements for OutboundHelper.send()