Documenting proposed config api for enabling simple notification
service.
Configureing simple notification services adds a sns notifier.
Addging spec for monitor logging exceptions.
Monitor notifiers exception notifiers of exceptions
Fix typos and implementing actual SNS code
Validating the topic is valid at the point it is configured and
including a subject in the notification which is set to the exception
message.
bumping version and adding aws-sdk gem to gemspec
Merge pull request #6 from lonelyplanet/amazon-sns-support

Adding support for exception notification using Amazons SNS