VS changes for latest batch of commits
Changed File Manager to accept FileHandlers to get images from disk or zip file. Redesigned due to the feature concerning reading from a zip file.
Added FileHandler namespace and FileHandler classes  to read from disk or zip file on disk. File Handlers represent different ways to get images from different sources and add another layer of flexibility for future methods of reading image files from sources.
Added Ionic.Zip.dll to project.