Address FindBugs errors
Merge pull request #1347 from maginatics/findbugs

Address FindBugs errors
Test decryption with bouncy castle crypto module.
EC2 Subnet added, with DescribeSubnets support initially.
Merge pull request #1350 from abayer/master

EC2 Subnet added, with DescribeSubnets support initially.
added function to grab first arg during pagination
updated IAM listing to be inline with other recent aws apis
Merge pull request #1351 from jclouds/update-iam

Update iam
various cleanups to get ec2 subnet api up to latest
Merge pull request #1352 from jclouds/ec2-subnet-cleanup

various cleanups to get ec2 subnet api up to latest
iam user api cleanup
added basic CRUD for IAM roles
Merge pull request #1353 from jclouds/iam-role-crud

Iam role crud
Address FindBugs warnings
consider @FormParam on @Delegate calls
Merge pull request #1355 from jclouds/consider-form-param

consider @FormParam on @Delegate calls
added IAM role policy crud
Merge pull request #1354 from maginatics/findbugs

Address FindBugs warnings
Merge pull request #1358 from jclouds/iam-role-policy

added IAM role policy crud
switched iam to use logback