add sass css support
Merge pull request #37 from ngokevin/master

add sass css support (http://sass-lang.com)
add stylus support; fix sass support
Merge pull request #45 from cvan/stylus

add stylus support; fix sass support
clean up LESS vs. SASS vs. Stylus docs a bit
Merge pull request #46 from cvan/stylus-readme

clean up LESS vs. SASS vs. Stylus docs a bit
Add -m option to ensure var names are mangled.

In version 2 of uglify-js (the current npm package), variable name mangling is off by default. It was on by default in <v2. Tested the change in 1.x and 2.x uglifyjs, works as intended.
Merge pull request #47 from potch/patch-1

Add -m option to ensure var names are mangled.
Remove unnecessary import
Update Django requirement in requirements
Issue 44. Nix fabric requirement for testing

* nix fabfile.py andFabric requirement
* adds run_tests.py for setting up and running the tests
* adds a section to the README on running the tests
Add option to always include a timestamp in build_ids.
Merge pull request #51 from oremj/timestamp_ids

Add option to always include a timestamp in build_ids.
Fix argument defaults for css and js

Argument defaults get evaluated at module load time. So the
debug argument would get the value of whatever
settings.TEMPLATE_DEBUG was at the time the module was loaded.
This is problematic in tests when that setting gets changed
and causes jingo-minify to minify the wrong thing.
Merge pull request #53 from willkg/fix-argument-defaults

Fix argument defaults for css and js
Move utility functions to utils

Moving these three utility functions to their own module makes it easier
to import them without creating a Jinja2 environment as triggered by
registering helpers
Merge pull request #54 from willkg/move-utils

Move utility functions to utils
Move logic for getting bundle URLs to standalone functions.

This will allow sites to fetch a list of URLs for a bundle in case they
need to do things like conditionally load a bundle from JavaScript.
Merge pull request #55 from Osmose/get-urls

Move logic for getting bundle URLs to standalone functions.
Update get_js_urls and get_css_urls to return absolute URLs.

Also fix a few line length issues.