UI elements disappeared after making changes on Networks tab and then clicking on another tab

[Andrey Sledzinskiy]

Bug is reproduced on {"build_id": "2014-04-22_01-00-26", "mirantis": "yes", "build_number": "121", "nailgun_sha": "978d70312250b72af9d29390f13ce7df8907c05d", "production": "prod", "ostf_sha": "7d0ea20e1c450a5f571d91bb03141b12c301184b", "fuelmain_sha": "8a9c73e7deaa8e6d8cf37deaa4f8c3314a7e0dbc", "astute_sha": "421a9f28080f8d10b4d006ce06af8568cce40b9b", "release": "5.0", "fuellib_sha": "28d82c796081978ef937853dafbe489a251d8103"}

Steps:
1. Create cluster with all default values
2. Open Networks tab
3. Change ip ranges for public network
4. Save changes
5. Click on Settings tab

Expected result - page with settings is opened
Actual - all UI elements except breadcrumbs, header and footer disappeared (see UIDisappeared.png)

[Openstack Gerrit (openstack-gerrit)]

Fix proposed to branch: master
Review: https://review.openstack.org/89507

[Openstack Gerrit (openstack-gerrit)]

Reviewed: https://review.openstack.org/89507
Committed: https://git.openstack.org/cgit/stackforge/fuel-web/commit/?id=9a50baa3f0f4b1d1a5ea332deefb35d2aa857e64
Submitter: Jenkins
Branch: master

commit 9a50baa3f0f4b1d1a5ea332deefb35d2aa857e64
Author: Julia Aranovich <email address hidden>
Date: Tue Apr 22 12:40:59 2014 +0400

    Fixes network configuration saving

    Closes-Bug:#1310955

    Change-Id: I6bd5467196838eac9b98255c4dd6a8536658b30b

[Andrey Sledzinskiy (asledzinskiy)]

verified on {"build_id": "2014-04-23_03-41-25", "mirantis": "yes", "build_number": "127", "nailgun_sha": "ead54af79fb8d798bdf8b7cfc08ee60103c9292f", "production": "prod", "ostf_sha": "134765fcb5a07dce0cd1bb399b2290c988c3c63b", "fuelmain_sha": "a864e28fff841b40c3b4a53f00e622002f300b19", "astute_sha": "6e8fa4cc12968d7b468fc590b2f06bb59bf74511", "release": "5.0", "fuellib_sha": "646e52b7a34a0027b43c46aa5b525fe7674a8059"}