Add max_length arg to PipelineStorage.get_available_name.

Correct link to the Molly Project.

mollyproject.org appears to be occupied by a squatter. link directly to the GH project instead.

* Adds ManifestFilesMixin as alternative to CachedFilesMixin and links
  to Django documentation.

Add '#' to constant NON_REWRITEABLE_URL

Pipeline was ignoring HTML anchor tags as valid URLs, and would erroneously prepend a relative directory path to the anchor tag.

This fix adds the octothorpe (#) to the constant NON_REWRITEABLE_URL to allow the anchor tag to be ignored as a valid URL link.

Update installation.rst

Let pipe lessc output to outfile rather than providing outfile arg due to lessc bug

Makes it work with bootstrap 3. See http://stackoverflow.com/questions/28475730/compiling-bootstrap-less-shows-errors-warnings

PipelineFinder.list should always return empty list

Add missing ignore_pattern to FileSystemFinder.

Include quotes in NON_REWRITABLE_URLS