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.
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
openstack glance added option copy from to create image