Fixing .travis.yml for missing atlas installation.

Author: veeresht

.travis.yml

@@ -25,7 +25,7 @@ install:
     - conda info -a
 
     # Replace dep1 dep2 ... with your dependencies
-    - conda create -q -n test-environment python=$TRAVIS_PYTHON_VERSION atlas numpy scipy matplotlib nose
+    - conda create -q -n test-environment python=$TRAVIS_PYTHON_VERSION numpy scipy matplotlib nose
     - source activate test-environment
     #- conda install --yes -c dan_blanchard python-coveralls nose-cov
     - pip install python-coveralls