Add option for running in Cloud Formation mode
Decouple edda and unusedImageRule checks.
Handle empty response content in MonkeyRestClient.
fix merge for PR #80
Merge pull request #99 from coryb/codiverse-addCFtoConf

fix merge for #80
Merge pull request #98 from jhowarth/empty_scanner_fix

Handle empty response content in MonkeyRestClient.
append email domain for janitor notifier
fallback instance email fetch to ami
fix spell
fix test failure when daylight saving time to normal time
Merge pull request #101 from Yelp/yejun_fallback_instance_to_ami

Fallback instance to ami
Merge pull request #102 from Yelp/yejun_dst_change_test_fix

fix test failure when daylight saving time to normal time
update deps, use latest.release for mapdb and jclouds-all does not seem to actually be required
Merge pull request #97 from jhowarth/janitor_fix

Decouple edda and unusedImageRule checks for Janitor Monkey
comment out default domain bar.com
Merge pull request #100 from Yelp/yejun_append_domain

append email domain for janitor notifier
Added a configuration parameter that allows summary emails to be turned off
Merge pull request #103 from radonsky/Optional_summary_email_notifications

Added a configuration parameter that allows summary emails to be turned off
All uses of raw Enum types replaced by marker interfaces
Added comments