promoted aws-sts to top-level
merged STS and aws-common, so that all aws apis can test support of temporary credentials
Merge pull request #1221 from jclouds/merge-aws-common-and-sts

merge org.jclouds.common/aws-common into org.jclouds.api/sts
added @Named annotations to gce
The Session Persistence API for Rackspace Cloud Load Balancers.
Merge pull request #1226 from rackspace/rax-clb-session

The Session Persistence API for Rackspace Cloud Load Balancers.
Merge pull request #1224 from dralves/gce-named-annotations

Added @Named annotations to gce