Added a way to populate filler data.
Updated Compound Objects to behave as @kestlund says.
Fix rake task for building filler data
Default to 90 filler items instead of 6

The rake take will now take a VERY long time to load, but it should
provide a good deal of variety for testing
Merge pull request #488 from OregonDigital/feature/FixCompoundBehavior

Updated Compound Objects to behave as @kestlund says.
Merge pull request #486 from OregonDigital/feature/DevLoadTask

Added a way to populate filler data.
Added derivative generation for audio files.
Add identifiation of Audio to ingest form.
Add Audio viewer.
Add ffmpeg to Travis.
Merge pull request #490 from OregonDigital/feature/AudioDisplay

Audio Viewer and Derivatives
General CSS cleanup

Fixes various CSS bugs