Update CHANGELOG
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pombredanne/django-rest-swagger,visasq/django-rest-swagger,visasq/django-rest-swagger,arc6373/django-rest-swagger,pombredanne/django-rest-swagger,marcgibbons/django-rest-swagger,cancan101/django-rest-swagger,pombredanne/django-rest-swagger,marcgibbons/django-rest-swagger,marcgibbons/django-rest-swagger,arc6373/django-rest-swagger,marcgibbons/django-rest-swagger,arc6373/django-rest-swagger,pombredanne/django-rest-swagger,cancan101/django-rest-swagger,visasq/django-rest-swagger,cancan101/django-rest-swagger