Use specific version with conda in travis, use 1.11.1 pysal version

.travis.yml

@@ -26,7 +26,7 @@ before_install:
   - conda update --yes conda
 
 install:
-  - conda install --yes python=$TRAVIS_PYTHON_VERSION numpy scipy pysal scikit-learn
+  - conda install --yes python=$TRAVIS_PYTHON_VERSION numpy=1.11.0 scipy=0.17.1 pysal=1.11.1 scikit-learn=0.17.1
   - sudo make install
 
 script: make test

src/py/crankshaft/setup.py

@@ -40,7 +40,7 @@ setup(
 
     # The choice of component versions is dictated by what's
     # provisioned in the production servers.
-    install_requires=['numpy==1.11.0', 'scipy==0.17.1', 'pysal==1.9.1', 'scikit-learn==0.17.1'],
+    install_requires=['numpy==1.11.0', 'scipy==0.17.1', 'pysal==1.11.1', 'scikit-learn==0.17.1'],
 
     requires=['pysal', 'numpy', 'sklearn'],