Murali Reddy bc3e184b72 CLOUDSTACK-312: enable L4-L7 network services in the shared network in
the advanced zone

Squashed commit of the following:

commit 3021cb917b2446f6a04f6cbb01bc56ebc5484bff
Merge: 77c6991 886fe01
Author: Murali Reddy <murali.reddy@citrix.com>
Date:   Sun Apr 14 17:22:05 2013 +0530

    Merge branch 'master' into sharednetworkservices

commit 77c69918be5f15656a95fc325da9f0c99a08e782
Author: Murali Reddy <murali.reddy@citrix.com>
Date:   Tue Apr 9 17:16:57 2013 +0530

    Trying to fit both isolated and shared network life cycle with single state
    machine may need addtional work. So set network state for shared network explicitly now.

commit 365ed73a0c10a5e445be34b6e6c5d99e1224a537
Author: Murali Reddy <murali.reddy@citrix.com>
Date:   Tue Apr 2 17:14:11 2013 +0530

    - associateIpAddress API to associate a public IP with shared network
    - shared network with services to go through the implement and shutwdon
      phases
2013-04-14 17:50:15 +05:30
..