Add selinux status verification to installation

Issue: altai-67
Change-Id: I741b138a8d9602df1e71c1e6e5e80348baf38e32
Rename master-configured-hostname to master-configured-url

Issue: altai-79
Change-Id: I7aa4aa582dfb05c37436f22baafb9828793ae3d9
Update packages during Altai update procedure

Change-Id: I56f0b4840a7c071da1a01363038b44228a24c038
Check TCP and UDP ports and projects-interface before installation

Issue: altai-68, altai-73
Change-Id: Ic20f53a8352476b5e94b3fc5194040bece0cc7b6
Use NovaDnsNetworkDriver

Install nova-common in a separate recipe. This solves
nova.conf overwriting problem.

Do not create dns database twice.

Update nova.conf and install nova-dns before nova.

Issue: altai-95
Change-Id: Ic5518ac7e9bfeb548442dd185bccf667aa76f9f0
Prevent RAM overselling

Issue: altai-106
Change-Id: I93116105938fba0e04edb86751cb194711cbc55b
Add README.rst

Issue: altai-34
Change-Id: Ie1ce378182703212a9b9a9f84f0211b02de4e5b9
Add system ip address checks in installer

Check if these IPs are present on target node:
- for master role: master-ip-private and master-ip-public;
- for compute role: compute-ip-private.

Issue: altai-116
Change-Id: Icf55ecafa0e24231818c5e4a271b3788aaff6059
Add Nova UserInfo extension

Change-Id: I1bf6fe017edd9046f14f017c53ee4a155d9dedc8
Added LDAP flags to Focus local_settings.py

Added template code for variables described in Focus README
for LDAP integration case.

Issue: altai-118
Change-Id: I598a78c9633111986d099d74bceff78ac913a873
Live-migration support

* NTP force sync setup
* iptables setup to support zabbix on compute nodes
* nova/libvirt migration support

Change-Id: I98a64050388eb4d2b74e613f8036753af0b5d241
nova.conf: let guestfs guess root partition

Change-Id: Ib43de89d375fee1bafb5b1724de136e0e8f2ed88
Install nova-db-clean

Change-Id: I231a74e124104f663c6b473682a8e6592bd9ce8e
Update version to 1.1.1

Change-Id: I2014c1f4114a9063a091f6fe0d267d9906bd7a0d