Install schema.xml as part of Travis build
Install schema.xml as part of Travis build

The ``install_solr_config`` Fabric task doesn't copy over the
schema.xml file.  We need to do this explicitly in
``scripts/ci_before_script.sh``.

denverfoundation/storybase,denverfoundation/storybase,denverfoundation/storybase,denverfoundation/storybase