support changing credentials at runtime
accomodate runtime credential changes
openstack-nova: eliminating NPE thrown by SecurityGroupApi.delete()
Merge pull request #1181 from jclouds/dynamic-credentials

Dynamic credentials
The access list API for Rackspace Cloud Load Balancers.
Merge pull request #1182 from aplowe/master

openstack-nova: NPE in SecurityGroupApi.delete()
Merge pull request #1179 from rackspace/rax-clb-access-list

The access list API for Rackspace Cloud Load Balancers.
process timeouts based on @Named annotations
rewrote aws config to use standard op names
Merge pull request #1185 from jclouds/process-named-timeouts

Process named timeouts
corrected a bug in the paging system where only the first marker was used