Updated download accessor with new models.
Added App Bar to section page.
Started events for rightclick/drag down on items
Styling app bar. Added visibility bindings for controls. Added bool binding for app bar open
Small changes to selection function name
Merge remote-tracking branch 'origin/UI_Overhaul_DownloadsViewChanges' into UI_Overhaul_DownloadAccessorUpdate
Downloads now start - need to work on logic for when a download finishes
Removed semanticzoom
Added an icon for downloaded playlists and a visibility for the icon.
Merge remote-tracking branch 'origin/UI_Overhaul_DownloadsViewChanges' into UI_Overhaul_DownloadAccessorUpdate
Added delete button and hooked up visibilities
Fixed problems with deleteing playlists' downloaded files. hooked up the cancel button.
Merge remote-tracking branch 'origin/UI_Overhaul' into UI_Overhaul_DownloadAccessorUpdate

Conflicts:
	HudlRT/ViewModels/HubViewModel.cs
	HudlRT/Views/SectionView.xaml
Updated download folder structure
Merge remote-tracking branch 'origin/UI_Overhaul' into UI_Overhaul_DownloadAccessorUpdate

Conflicts:
	HudlRT/ViewModels/SectionViewModel.cs
Created new saved file that contains a list of all seasons/games/categories/playlists that are saved. We will use this to populate the app when there is no internet connection.
Fixed styling issues where backgrounds of thumbnails were the wrong color on section page, and the thumbnail of the last viewed game was the wrong size.
Switched Hudl thumbnails to light on section page.
Updated model for deleted playlists. Removes empty categories, games, and seasons from saved model.
Merge branch 'UI_Overhaul' of github.com:hudl/hudl-win8 into UI_Overhaul