Incorrect role editing

[Anastasia Palkina]

"build_id": "2015-01-15_22-54-45",
"ostf_sha": "92ad9f8e4c509c82e07ceb093b5d579205c76014",
"build_number": "63",
"auth_required": true,
"api": "1.0",
"nailgun_sha": "051d23b22c21eab39c968372a5d40727c2b66281",
"production": "docker",
"fuelmain_sha": "",
"astute_sha": "82125b0eef4e5a758fd4afa8917812e09a1f7dac",
"feature_groups": ["mirantis"],
"release": "6.1",
"release_versions": {"2014.2-6.1": {"VERSION": {"build_id": "2015-01-15_22-54-45", "ostf_sha": "92ad9f8e4c509c82e07ceb093b5d579205c76014", "build_number": "63", "api": "1.0", "nailgun_sha": "051d23b22c21eab39c968372a5d40727c2b66281", "production": "docker", "fuelmain_sha": "", "astute_sha": "82125b0eef4e5a758fd4afa8917812e09a1f7dac", "feature_groups": ["mirantis"], "release": "6.1", "fuellib_sha": "59af43598682f4f0c5aebf584a959ac730a4d86d"}}},
"fuellib_sha": "59af43598682f4f0c5aebf584a959ac730a4d86d"

1. Create any new environment
2. Add controller
3. Check this node
4. Click button "Edit role"
5. Choose also 'cinder' role for this node
6. Click button "Apply Changes"
7. Expected result: node has role 'controller+cinder' but node has role only 'controller'

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/153529

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/153529
Committed: https://git.openstack.org/cgit/stackforge/fuel-web/commit/?id=a734c676e2ece2bdbfb2d50ccaf0b52d502e9f87
Submitter: Jenkins
Branch: master

commit a734c676e2ece2bdbfb2d50ccaf0b52d502e9f87
Author: Julia Aranovich <email address hidden>
Date: Fri Feb 6 14:58:09 2015 +0300

    Fixes node role editing

    Closes-Bug: #1411679

    Change-Id: Ia533f7e3239b04a9aab3a93c2601864314fba8ed

[Anastasia Palkina (apalkina)]

Verified on ISO #126

"build_id": "2015-02-15_22-54-44", "ostf_sha": "f9c37d0876141e1550eb4e703a8e500cd463282f", "build_number": "126", "release_versions": {"2014.2-6.1": {"VERSION": {"build_id": "2015-02-15_22-54-44", "ostf_sha": "f9c37d0876141e1550eb4e703a8e500cd463282f", "build_number": "126", "api": "1.0", "nailgun_sha": "1e3a40dd8a17abe1d38f42da1e0dc1a6d4572666", "production": "docker", "python-fuelclient_sha": "61431ed16fc00039a269424bdbaa410277eff609", "astute_sha": "1f87a9b9a47de7498b4061d15a8c7fb9435709d5", "feature_groups": ["mirantis"], "release": "6.1", "fuelmain_sha": "2054229e275d08898b5d079a6625ffcc79ae23b8", "fuellib_sha": "7f8d4382abfcd4338964182ebfea1d539f963e66"}}}, "auth_required": true, "api": "1.0", "nailgun_sha": "1e3a40dd8a17abe1d38f42da1e0dc1a6d4572666", "production": "docker", "python-fuelclient_sha": "61431ed16fc00039a269424bdbaa410277eff609", "astute_sha": "1f87a9b9a47de7498b4061d15a8c7fb9435709d5", "feature_groups": ["mirantis"], "release": "6.1", "fuelmain_sha": "2054229e275d08898b5d079a6625ffcc79ae23b8", "fuellib_sha": "7f8d4382abfcd4338964182ebfea1d539f963e66"