Allow former meps

Error was:
  UnicodeEncodeError at /legislature/representative/michele-alliot-marie/
  'ascii' codec can't encode character u'\xe8' in position 35: ordinal not in range(128)
  in  /home/niko/dev/memopol/political_memory/memopol/templatetags/memopol_tags.py in facebook_link
                    label=re.sub(r'.*/([^/]+)', '\\1', re.sub(r'/$', '', url.strip()))))

Enhance footer links

Move from LESS to SCSS

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

Integrate views removed from d-r[-v]

Add import scripts for old data, fixes #58

Enhance dossiers views, fixes #70