[ui] Children prop shouldn't be passed to textarea control

[Julia Aranovich]

There is a warning on Settinga tab (please see an attached screenshot) that recommends not to pass children prop to textarea control. Seems that it caused by React upgrade to 0.12.1.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/140664

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/140664
Committed: https://git.openstack.org/cgit/stackforge/fuel-web/commit/?id=3a2b1fcccc08e850e00e5cec52ea57a197932e8a
Submitter: Jenkins
Branch: master

commit 3a2b1fcccc08e850e00e5cec52ea57a197932e8a
Author: Julia Aranovich <email address hidden>
Date: Wed Dec 10 14:48:23 2014 +0300

    Fixes textarea control

    Closes-Bug: #1401093

    Change-Id: I8f1a882790c865017778b81badd289ce086c7907

[Anastasia Palkina (apalkina)]

Verified on ISO #55

"build_id": "2015-01-11_22-54-45", "ostf_sha": "47b82d5130b00af85313125bdd19f0866d9e61cc", "build_number": "55", "auth_required": true, "api": "1.0", "nailgun_sha": "aa904598b3071540a07e0403906ea37adb01b7b6", "production": "docker", "fuelmain_sha": "16e5e39a8fad6793667864af1b156e47ff7c3d48", "astute_sha": "18be5cd3b819f3cad4c970ce5f72d3fb211a0969", "feature_groups": ["mirantis"], "release": "6.1", "release_versions": {"2014.2-6.0": {"VERSION": {"build_id": "2015-01-11_22-54-45", "ostf_sha": "47b82d5130b00af85313125bdd19f0866d9e61cc", "build_number": "55", "api": "1.0", "nailgun_sha": "aa904598b3071540a07e0403906ea37adb01b7b6", "production": "docker", "fuelmain_sha": "16e5e39a8fad6793667864af1b156e47ff7c3d48", "astute_sha": "18be5cd3b819f3cad4c970ce5f72d3fb211a0969", "feature_groups": ["mirantis"], "release": "6.1", "fuellib_sha": "129d4644b636c24e6535c66794717a04c73ca5f7"}}}, "fuellib_sha": "129d4644b636c24e6535c66794717a04c73ca5f7"