Fix travis with newer MKL and Theano.

Author: nouiz

.travis.yml

@@ -78,6 +78,7 @@ script:
   - pwd
   - ls
   - export THEANO_FLAGS=warn.ignore_bug_before=all,on_opt_error=raise,on_shape_error=raise
+  - export MKL_THREADING_LAYER=GNU
   - python --version
   - nosetests -v $PART