adding ConfigReadEvent
test
returning event
better test for on_config_read
Doing the same for #5, adding inbound_event event type
pigging backing the event along with the InboundEventEvent
adding config to ConfigReadEvent
p.callback() instead of returning the Promise
better test for checking  extra data
testing event firing from on_inbound_message
test for inbound_event firing on_inbound_message
s/on_inbound_message/on_inbound_event/
Merge branch 'feature/issue-12-imevent-config' into develop
Merge branch 'develop' of github.com:praekelt/vumi-jssandbox-toolkit into develop