Mark Swift blobstores as eventually consistent

This allows tests to retry correctly.  Most blobstores, including
Swift[1], offer eventual consistency, although Azure[2] and the
jclouds test blobstores offer strong consistency.

[1] https://lists.launchpad.net/openstack/msg06788.html
[2] http://blogs.msdn.com/b/windowsazure/archive/2011/11/21/windows-azure-storage-a-highly-available-cloud-storage-service-with-strong-consistency.aspx
diff --git a/openstack-swift/src/main/java/org/jclouds/openstack/swift/v1/blobstore/RegionScopedBlobStoreContext.java b/openstack-swift/src/main/java/org/jclouds/openstack/swift/v1/blobstore/RegionScopedBlobStoreContext.java
index 11e54d6..6848b7f 100644
--- a/openstack-swift/src/main/java/org/jclouds/openstack/swift/v1/blobstore/RegionScopedBlobStoreContext.java
+++ b/openstack-swift/src/main/java/org/jclouds/openstack/swift/v1/blobstore/RegionScopedBlobStoreContext.java
@@ -131,7 +131,7 @@
 
    @Override
    public ConsistencyModel getConsistencyModel() {
-      return ConsistencyModel.STRICT;
+      return ConsistencyModel.EVENTUAL;
    }
 
    @Override