added IAM role policy crud
Merge pull request #1358 from jclouds/iam-role-policy

added IAM role policy crud
switched iam to use logback
added iam instance profile support
Merge pull request #1359 from jclouds/iam-instance-profile

Iam instance profile
fixed NPE on ec2 log statement
unhooked version dependency from ec2 async tests
added iam instance profile args to aws-ec2
Merge pull request #1360 from jclouds/iam-instance-profile-ec2

Iam instance profile support
rename TemporaryCredentials to SessionCredentials per aws sdk
Merge pull request #1362 from jclouds/sts-rename

rename TemporaryCredentials to SessionCredentials per aws sdk
made oauth throw AuthorizationException on GeneralSecurityExceptioon and IllegalArgumentException
Merge pull request #1361 from dralves/oauth-bug

made oauth throw AuthorizationException when required