removed *.sql3 from MANIFEST.in
closes #6 (closed) : The database is shipping large files to PyPI and its failing to upload https://gitlab.idiap.ch/bob/bob.db.nist_sre12/builds/47789
closes #6 (closed) : The database is shipping large files to PyPI and its failing to upload https://gitlab.idiap.ch/bob/bob.db.nist_sre12/builds/47789