Add support for URLs in the release editor.
[discogs_importer] Add Discogs URL in release editor.
[encyclopedisque] Add Encyclopedisque URL in release editor.
[bandcamp] Add Bandcamp URLs to the release editor.
[bandcamp] Check for Creative Commons license URLs too.
[bandcamp] @require dateFormat.js.

From jquery.dateFormat.js:
"""
// require dateFormat.js
// please check `dist/jquery.dateFormat.js` for a complete version
"""
Merge pull request #11 from Freso/support-release-editor-urls

Support release editor urls, thanks to Freso!