python-webassets-2.0-bp153.1.20

- update to version 2.0
  * Jump to 2.0 to leave alpha versioning and start doing semver. No actual breaking changes.
  * Make the `sass` and `scss` filters compatible with the reference compiler
  * Add new `sass_ruby` and `scss_ruby` filters to use the deprecated Ruby Sass compiler
  * Update and improve a number of filters.
  * Add a SRI feature (Arvid Norlander).
- drop unneeded patch tests.patch

- Adding locale variables, as some tests would fail due to unicode errors.

- Add patch to make tests pass:
  * tests.patch
- Enable tests

- convert to singlespec
- drop python-argparse dependency (only needed for python < 2.7)

- update to version 0.12.1

- initial packaging