Add HRYFullSizePhotoViewModel
Update Podfile
Downgrade ReactiveViewModel version 0.2 -> 0.1.1
Update HRYFullSizePhotoViewModel
Add HRYGalleryViewModel
Update HRYGalleryViewModel
Add HRYPhotoViewModel
Update HRYPhotoViewModel
Update HRYPhotoViewController
Update HRYFullSizePhotoViewController
Update HRYGalleryViewController