Removed cause of redefined constant warning when MIME types are altered. Conflicts:
Removed cause of redefined constant warning when MIME types are altered.
Conflicts:

	app/models/asset.rb

saturnflyer/paperclipped,radiant/radiant-clipped-extension,GarPit/radiant-clipped-extension,kbingman/paperclipped,kbingman/paperclipped,radiant/radiant-clipped-extension,radiant/radiant-clipped-extension,GarPit/radiant-clipped-extension,radiant/radiant-clipped-extension