Use Map.entrySet where possible

Improves run-time efficiency and addresses FindBugs warnings.
Merge pull request #1220 from maginatics/entry-set

Use Map.entrySet where possible
gce - instances api
Merge pull request #1150 from dralves/gce-instances

gce - instances api
Dynamically generate filesystem blobstore input

This removes several large images from the source tree.
Dynamically generate base blobstore input

This removes a single large image from the source tree.
Merge pull request #1222 from maginatics/dynamically-generate-test-input

Dynamically generate test input
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
added ability to set field exclusion policies for json serialization
first functionality in dynect: session api
These Parsers are unnecessary when the domain objects have ConstructorProperties.
Merge pull request #1227 from jclouds/dynect

DynECT initial implementation: SessionApi
Merge pull request #1229 from rackspace/rax-clb-less-parsers

These Parsers are unnecessary when the domain objects have ConstructorProperties.
added centos6.3 support; updated README; some clean up