youtube: Initial work on Youtube v2.2
Add new routes for Video playback; Remove for now rating support in advanced mode
youtube: Improve documentation; Add information for programmers about new URI routes
youtube: fix refresh token for API v3
youtube: Fix calls to User Profile using v2; Fix README.md
youtube: Update required Showtime version; fixed padding for title in user profile; Add initial support for Guide Categories browsing; Add search for channels (API v3)
youtube: Add initial support for Video Categories
youtube: Add filter search by region and safe search; Updated CHANGELOG.md
youtube: Add search for videos (API v3)
youtube: Add search for playlists (API v3)
youtube: Add My Activity section
youtube: Add Subscribe User to User Profile; Add Viso Trailers link (home page)
youtube: Browse playlists in User Profile now use API v3; Advanced mode of videos now use API v3; Fix problem where clicking User Profile in advanced mode would fail; Add video item menu options ("More from this user", "Like video", etc.); Remove unsupported code in pageControllerV3
youtube: Add Like, Dislike, Add to Favorites, Add to Watch Later and Comment to video advanced mode
youtube: Add new favorite image
youtube: Started work to remove API v2 authentication, making API v3 authentication universal
youtube: Fix login for returning visitors; Convert more API v2 authorization related stuff to API v3; Show more information in video list for pages using API v3
youtube: Don't log Authorization header; Fix New Subscriptions in User Profile
youtube: Remove "Browse Videos", the new section "Video Categories" is the same but using API v3
youtube: Cleanup some code; Parse only if possible duration