Updated libsite search to use new drupal site search service. Also cleaned up some pep8 non-adherences in views.py.  Fixes #239.
added # of results (need to modify drupal service to send all results and/or count), snippet with |safe, and correct url per result
Removed LIBSITE_RESULT_URL
Updated suggested LIBSITE settings to new search utility on libsite test server
fixes #239
Merge pull request #286 from gwu-libraries/t239-libsite-search

T239 libsite search