Updated openstack/openstack
Project: openstack/horizon  3059f908abdf3822b2994d6e7892ec21c4c6e2ab

Fix misleading  message in Update Metadata Form.

First you put some data to Other field.
In next step you delete it.
Then you give message 'invalid key name'.
This is inconsistent to this field behavior.

DocImpact
Closes-Bug: #1371230

Change-Id: I61d3569adf89277ddec61507bd7816513e4623eb