Use precise (12.04) instead of trusty (14.04).
Use precise (12.04) instead of trusty (14.04).

Libjudy appears to have issues with newer versions of GCC.

See #8 for more details.

pombredanne/simhash-py,seomoz/simhash-py,pombredanne/simhash-py,seomoz/simhash-py