updated controllers to use helper paths
Add carrierwave, and better_errors gem, got file uploads to audio source working in tracks controller
Merge pull request #10 from dhouk24/implement_helper_paths_on_routes

updated controllers to use helper paths 

// merging on behalf of @ezy023
Fix spelling mistakes on branch
Merge pull request #11 from dhouk24/carrierwave_file_uploads

Add carrierwave, and better_errors gem, got file uploads to audio source...
fixed merge conflicts