small tracis-ci config change. last release of Theano don't include theano-nose.

Author: nouiz

.travis.yml

@@ -19,5 +19,5 @@ script:
   - cd code
   - export THEANO_FLAGS=warn.ignore_bug_before=all,on_opt_error=raise,on_shape_error=raise
   - python --version
-  - theano-nose test.py
+  - nosetests test.py