adds support for GZipped files
improve HTML markup
Merge branch 'gunzip_support' of https://github.com/gandalfar/validator into gandalfar-gunzip_support

Conflicts:
	validator/django/website/validator/tests/test_views.py
	validator/django/website/validator/views.py

Had to add a schema = None to form_valid for case where json is bad
Merge branch 'gandalfar-gunzip_support'