Merge pull request #248 from ialja/master

updated index view test and added test for viewing events without pics
test for next_or_previous_event
Merge pull request #249 from naisnouk/master

test for next_or_previous_event
fixing yaml for Travis
made some pep8 corrections
made some pep8 corrections for test
adding tests to init
updating django-compressor requirement
working on fix for build error on travis
working on fix for build error on travis
working on fix for build error on travis
working on fix for build error on travis
working on fix for build error on travis
working on fix for build error on travis
working on fix for build error on travis
working on fix for build error on travis
working on fix for build error on travis
working on fix for build error on travis
working on fix for build error on travis
working on fix for build error on travis