Update AmiSanityTest.scala

Bump the ami to match a cloudformation template
Update sanity test for ajax
Merge pull request #2 from guardian/private-cache

Update sanity test for ajax
initial sanity test using config
add api key
Deleted unused tests from frontend
clear cruft and validate config
update readme with conf
update tests
rename to avoid conflict between local HTTP and scalaj
add example config
update readme and git ignore
update readme
update readme
sample config
fix play sbt dependency
refactor a bunch o'stuff with Mr @MaxHarlow
update canary
package goodness
add sample config