TST install soup, html5lib and lxml

Author: hayd

.travis.yml

@@ -35,7 +35,7 @@ install:
   - conda info -a
 
   # Replace dep1 dep2 ... with your dependencies
-  - conda create -q -n test-environment python=$PYTHON pandas=$PANDAS nose coverage setuptools
+  - conda create -q -n test-environment python=$PYTHON pandas=$PANDAS nose coverage setuptools html5lib lxml beautiful-soup
   - source activate test-environment
   - pip install coveralls --quiet
   - conda list