updated tests to work on Linux, fixed #213
Fix collapse function at upload form.

The `collapse close` value was present in the HTML, but the Django admin
jQuery scripts were not loaded properly, hence the help box was always
visible.
Make sure popup windows hide the header/footer.

The filebrowser did pass the 'pop' parameter,
but didn't pass that to the Django-admin templates.
Renamed function "addEvent" as it overrides django admin core.js addEvent, and does not work properly in IE9
Removed encoding of file URIs with CKEditor, fixed #210.

File URIs are already encoded in the template by
django.core.files.storage.FileSystemStorage.url(). Escaping
the URI in JavaScript resulted in double encoding of special
characters.
Merge pull request #215 from timgraham/ckeditor_encoding

Removed encoding of file URIs with CKEditor, fixed #210.
Merge pull request #214 from timgraham/fixed_tests

updated tests to work on Linux, fixed #213
update test image
Improved tests with convert/normalize (removed special chars from test filename), #213 #209
Delete TEST IMAGE ÄÄÄ.jpg
Merge remote-tracking branch 'remotes/upstream/master'