Removed ability to check free disk space.#bcuzMicrosoft
No longer find actual file sizes before downloading - instead we assume each file is the same size. Fixed issue with downloaded file sizes not updating on the section page
Determined that the API actually returns the file size so we are now using that.
Readded the cached parameter because we cannot cache the page anymore
Merge remote-tracking branch 'origin/AppBarGrid' into UI_Overhaul_Cache

Conflicts:
	HudlRT/ViewModels/VideoPlayerViewModel.cs
Merge pull request #136 from hudl/UI_Overhaul_Cache

Ui overhaul cache