Remove libass from repository
Use libass from external dependencies
Fixed exception in recent libass version.
[3D] add support to change the stereomode via builtins
[3D] add initial support for stereoscopics handling to JSONrpc
Bump JsonRPC api version
Merge pull request #3307 from da-anda/3d-interfaces

[3D] allow interfaces to change the stereoscopic mode of the gui
Merge pull request #3412 from blinkseb/external_libass

[Win32] Convert libass to external dependency