Backports all neutron changes from master for 1.8.1
JCLOUDS-630: Map Payload ContentMetadata expires to Swift X-Delete-At header for object expiration.
Fixes a few cases where the JavaDoc was wrong.
Prefer Boolean over primitive boolean in OpenStack Neutron domain classes
Support LBaaS v1

Conflicts:
	openstack-neutron/src/main/java/org/jclouds/openstack/neutron/v2/config/NeutronHttpApiModule.java
	openstack-neutron/src/main/java/org/jclouds/openstack/neutron/v2/extensions/ExtensionNamespaces.java
Ports the Neutron LBaaS PR to 1.8.x and java 1.6
JCLOUDS-40 switch to SubmissionAsyncBlobStore
JCLOUDS-40 Remove last reference to AsyncBlobStore in Swift.
Fix poms so that modernizer doesn't fail on snapshot.
openstack glance added option copy from to create image
Fix bad merge
Initial OpenStack Heat skeleton with ResourceApi listTypes() method
JCLOUDS-40 unasync Fallback.
True-up rackspace-cloudfiles with code in master.
Swift is now out of labs.
Fixing Heat backport

* Setting openstack-heat version to 1.8.1-SNAPSHOT
* filterRegions -> filterZones

Follow-up 06348f6
Merge branch '1.8.x' of https://github.com/jclouds/jclouds-labs-openstack into 1.8.x