GoogleCode importer: Do not care about casing of image file extensions
When a GoogleCode repository contains an attached image with an UPPERCASE file extension, it's not inlined.
/CC @DouweM
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
When a GoogleCode repository contains an attached image with an UPPERCASE file extension, it's not inlined.
/CC @DouweM