Improve system_tests
Update documnetation
Workaround for pip and setuptools mess
new dhclient version
os-2013.1.3
Up dhclient and db4 packages
netifaces egg
[roles] Remove constraints for roles
User should have ability to add node with any role
One more refactoring of system_tests
Remove second call for empty snapshot create
Merge pull request #1501 from dmi-try/os-2013-1-3

openstack 2013.1.3
Update debootstrap and ruby-augeas packages versions
Merge pull request #1512 from Mirantis/update-rpms

Update debootstrap and ruby-augeas packages versions
Merge pull request #1511 from monroid/fix_sys_tests

Fix for system tests via RestAPI
Allow to choose role if there are no selected nodes (Add Nodes screen)
Enable selecion for cluster info
Dont allow to rename nodes if deployment is in progress
Navigate to node list if user starts deployment from Add/Edit nodes screens
Fix for node renaming
up bind-utils