LPS-34806

Hey Nate. The main fix here was calling displayEntryError while iterating invalid files in @_updateStatusUI. I also feel that using partition for file validation was a logical choice since I was emulating that before. Finally, some clean up to a very sloppy commit I made hasitly during the early stages of the integration (http://git.io/uwJVWg). Since then, I've calmed down a lot and will continue to approach problems with better judgement. ^^