Fixed small buttons on video player page.
Merge pull request #128 from hudl/VideoPlayerButtonStyles

Fixed small buttons on video player page.
Added a progress ring to the section page when it loads.
Merge branch 'UI_Overhaul' of github.com:hudl/hudl-win8 into ProgressRings
Added play button symbol to last viewed
Added progress rings to section and hub pages and disabled other elements on click.
Merge pull request #129 from hudl/ProgressRings

Progress rings
 NavigationCacheMode="Disabled" to remove problem with scrolling on page load
Merge remote-tracking branch 'origin/UI_Overhaul' into UI_Overhaul_StyleTweaks

Conflicts:
	HudlRT/Views/SectionView.xaml
Merge pull request #130 from hudl/UI_Overhaul_StyleTweaks

Added play button symbol to last viewed
Merge branch 'UI_Overhaul' of https://github.com/hudl/hudl-win8 into HubSectionScrollFix_take2

Conflicts:
	HudlRT/ViewModels/HubViewModel.cs
	HudlRT/ViewModels/SectionViewModel.cs
	HudlRT/Views/SectionView.xaml