Change the current block title to only contain the title string and be a
placeholder, this block should be overrid in every template

lesscpy is not fully LESS-compliant.
django-libsass relies on libsass, which is a fully compliant C/C++ implementation
of SASS/SCSS.

update link (ParlTrack) in footer

REMOVE DB.SQLITE

Also, use django-responsediff instead of manually updating test
fixtures.