Upgrade to python2.7
Allow outbound JSON request to have a 'rooted' object

I had difficulty getting my Rails 3.2 app to make a request without a JSON root

Conflicts:
	outbound.py
Send email via mandrill

Mandrill has a 12k/month free quota, which is super nice. Unfortunately
appengine doesn't give you access to a way to check how many more free emails
you can send hence the switch