Merge pull request #5 from estan/patch-1

Fix name of distribution

Author: rmcgibbo

travis/build-wheels.sh

@@ -17,6 +17,6 @@ done
 
 # Install packages and test
 for PYBIN in /opt/python/*/bin/; do
-    ${PYBIN}/pip install python_manylinux_demo --no-index -f /io/wheelhouse
+    ${PYBIN}/pip install python-manylinux-demo --no-index -f /io/wheelhouse
     (cd $HOME; ${PYBIN}/nosetests pymanylinuxdemo)
 done