Ensure we don't access the net when building docs
Create a volume from a snapshot at different volume av. zone.

Version 4 for openStack Folsom release:
- nova/db: Added new 'snapshot_get_host' and 'snapshot_get_all_by_host' API calls.
- nova/volume: Export all snapshot as iSCSI targets at Start of nova-volume
- nova/volume: Export snapshot as iSCSI targets at snapschot create
- nova/volume: Remove snapshot iSCSI target at snapschot delete
- nova/volume: Use iSCSI snapshot target as source for volume creating, filtered by 'iscsi_ip_filter' parameter.
- Do not use iscsi discovery if we know host name.

others
Force lvm snapshot delete when volume delete
FIX: fixed 1005-use-local-LVM-volume-instead-of-iSCSI-device-on-same.patch

added missing imports
Setting promisc on VLAN bridge.
Workaround for bug #1061628
Do not run RPC call for simple db look at fixed_ip set.

original Jarda's patch, modified by Zdenek for Folsom
Get size of root block device from BDM.
Elastic IP pool for public ips
BUGFIX: #1095633 Netapp driver: repeat DFM lun refresh
BUGFIX: workaround for #1091480, synchronize dataset edit
BUGFIX: #1099414 - added qtree removal
FEATURE: allow to create volume from snapshot of smaller size
BUGFIX: PCI-437 - don't resize parent volume for new LUN

When creating a new LUN as a copy of existing snapshot, do not
resize parent volume. When the LUN is deleted, parent volume
is not shrinked back, causing allocation to grow monotonously.
backport for GDC version of driver API
BUGFIX: #1112483 - device size mismatch when LUN is reused
Calculate with REAL free RAM in least_cost
ec2api-blockdevicemapping
FEATURE: graceful shutdown for power off and reboot
Attach premigration ISCSI