Applying text wipes out images.

Fixes #164
Merge pull request #332 from theodi/bugfix-form-display

Applying text wipes out images.
Use named argument as implicit argument is deprecated
Use file storage for testing

Stop storing test files in rackspace
Do display none in css
Use aria-labelledby attribute correctly
Test badge svg
extract from application to badge controller
Download badge images as pngs
Popup to download badge images as pngs