* smart build release reading per release metadata file
provided by sipwise-repos-scripts-data package
* build release will trigger settings.RELEASE_JOBS jobs first
* old build process hidden at /release_panel/old/
as a fallback just in case
* some examples of config/<release>.yml files
just for test
* style changes by black pre-commit plugin to unify
code style
* rework panel.js to support both views /release/ and /release_uuid/
via $.release.uuid value
* cosmetic improvements
Change-Id: I5f581100e6c297a1cc0abc4bb1ddf978870b6936
Victor Seva