Describe the bug

I put my frontmatter in a particular order in my config.yml - https://github.com/motionsplan/motionsplan-dk-jekyll/blob/master/admin/config.yml

However, after saving with the Netlify CMS it puts the frontmatter in another order, than specified in the the config.yml file.

This is an example after saving with the Netlify CMS where last_modified_at and permalink went to the top of the frontmatter instead of the title.
https://github.com/motionsplan/motionsplan-dk-jekyll/pull/78/files

Any chance to avoid this?

To Reproduce

Expected behavior

Screenshots

Applicable Versions:

• Netlify CMS version: 2.0.11
• Git provider: GitHub
• OS:
• Browser version chrome 22
• Node.JS version:

CMS configuration

https://github.com/motionsplan/motionsplan-dk-jekyll/blob/master/admin/config.yml
Additional context