Don't call printStackTrace and litter the user's output with stack traces. This change will propagate the IOException so the user can properly log or otherwise deal with the failure.
Merge pull request #5 from brharrington/printStackTrace

avoid printStackTrace
adding describeImages
Merge branch 'master' of github.com:bluespar/amazoncomponents
[Gradle Release Plugin] - pre tag commit:  '0.5'.
[Gradle Release Plugin] - new version commit:  '0.6-SNAPSHOT'.
[Gradle Release Plugin] - pre tag commit:  '0.6'.
[Gradle Release Plugin] - new version commit:  '0.7-SNAPSHOT'.