Add unit tests for embed filters
Merge branch 'master' into even-more-unit-tests
Add more embeds tests
Merge branch 'master' into even-more-unit-tests
Add image format tests
Tidy up embed tests
Merge branch 'master' into even-more-unit-tests
Merge pull request #375 from mope/even-more-unit-tests

Add unit tests for image formats and embeds template tags