added threading support for django httpd service
testing threading in httpd
reduce number of threads for travis
try .travis.yml fixes
merge with new version
Merge pull request #392 from wpjunior/httpd_threading

Threading support for django httpd service
fix for feature results when there are no features found in a django app from harvest
Merge pull request #439 from Andrew-Crosio/feature_results_fix

fix for feature results when there are no features found in a django app from harvest