Implement page for showing YouTube video recommendations

The content displayed on the page comes from filtered results of YouTube
Activity API.
Implement support for viewing latest subscribed videos
YTLikeButtons: Change like/dislike icons and add some animations

For consistency use the same icons as in main menu. Also add some color
and opacity animations.
VideoOverview: Use alternative solution for swipe to play gesture

Instead of converting the page into a dialog push the VideoPlayer as
attached page. This solution eliminates inconsistent navigation dots at
the cost of loosing top right Play button.