If no desc metadata, display alert (warning) on show page
Fixes #1011
Merge pull request #1115 from duke-libraries/1011-no-desc-md

If no desc metadata, display alert (warning) on show page
Disable desc metadata form submit button and comment field by default,
enable on content change.
Fixes #1043
Fixes #1044
Merge pull request #1116 from duke-libraries/1043-desc-md-form-submit

Disable desc metadata form submit button and comment field by default,
Add permanent ID to each object using noid; closes #1111