Reduce duplicate code in CssAbsolutizingTestCase
Fix #467: Remove unnecessary checks (filename in COMPRESS_ROOT, or existence of file) in CssAbsoluteFilter
Fix: #477 enhanced Error display if COMPRESS_ROOT nor STATIC_ROOT is defined
Fix: compressor.filter.base Nullify self.type for Specializations to filter_type
Merge pull request #478 from iknite/fix_477

Fix: #477 Enhanced Error display if COMPRESS_ROOT nor STATIC_ROOT is defined
Added generic trove classifiers for Python 2.x and 3.x.

Thanks to @brettcannon for the suggestion.
Fix #477: Add install instructions for COMPRESS_ROOT and STATIC_ROOT.
Merge pull request #480 from iknite/Fix_docs_477

Fix #477: Add install instructions for COMPRESS_ROOT and STATIC_ROOT.
added jinja2 compress offline support
cleaned up
Updated Jinja2 parser.

- fixed force behavior
- raise TemplateDoesNotExist when necessary
- added extension and filter
raise TemplateDoesNotExist in DjangoParser when necessary
add __get_parser method
added jinja2 tests
fixed whitespace issues in templates to pass test case
added if-else statement detection to jinja2
added if-else test case
added Jinja2 settings
removed unnecessary context arg
updated complex test case to include "test" in Jinja2