Use get_template() when dealing with django templates
Merge pull request #524 from diox/use-get-template

Use get_template() when dealing with django templates.
Add support for COMPRESS_CSS_HASHING_METHOD = None
Fix cache backend for 1.7 compatibility (locmem:// has been deprecated for a while)
Merge pull request #526 from diox/css-hashing-method-none

Add support for COMPRESS_CSS_HASHING_METHOD = None
Remove compatibility with old 'staticfiles' app