sort license properties as permissions > conditions > limitations (fixes #387)

[waldyrious]

No description provided.

[mlinksva]

I guess this is toward fixing #387. Do you want to reorder any other licenses needing it in this PR also? Fine if not, just thought I'd mention as it doesn't seem necessary to consider them one by one. Thanks!

[waldyrious]

Argh! I had that one so deep in the backburner it slipped under my radar! I'll make the same change in the other licenses as well, sure.

[waldyrious]

@mlinksva updated the PR with the remaining changes, rebased, force-pushed and edited the PR title. Travis failure is unrelated:

- ./_site/licenses/cc-by-sa-4.0/index.html
  *  External link https://creativecommons.org/compatiblelicenses/ failed: 503 No error
rake aborted!
HTML-Proofer found 1 failure!

[mlinksva]

Thanks!