ensure file globing is deterministic

A small change to ensure the order of filenames returned from glob() is deterministic. This is required to provide consistant file order (and therefore minified file version hashs) when running collectstatic on multiple servers.

packaging fix for tests

Also picks up some missing files in tests/assets and tests/assets2

normalize paths in match_location

Add PIPELINE_ENABLED setting.

update compass compiler url

To avoid confusions the package was renamed, see more:
https://github.com/mila-labs/django-pipeline-compass-rubygem/issues/2

Fixes bug in compiler modified_time handling

Fix PipelineExtension.render_individual_css arguments

Live Script Support

Use context as dict instead of kwargs in PipelineExtension

CompressedCSSNode.render_individual_css accepts **kwargs but
PipelineExtension.render_individual_css does not. This causes an
error when render_individual_css is called with the (unused) kwarg
'templates'.

A context dict is compatible with both the jinja2 and coffin (django)
tempate interfaces. kwargs is only compatible with jinja2.

Adding 3rd party compiler section

fix for #198 including unittest

added unit test illustrating issue #198 (CSS Relative Paths with querystring/hash are not converted)

Adds documentation for cache-busting URL support with staticfiles

Stop requiring a Django version bigger than 1.4.2 since that upgrade to ...

Extending the document to contain links out to third party compilers written on top of django-pipeline. This should make simpler to find related resources and expand the django-pipeline community.