[win32] implement CWinEventsWin32::MessagePush
[win32] add defines for GID_ROTATE_ANGLE_TO_ARGUMENT and GID_ROTATE_ANGLE_FROM_ARGUMENT
[win32] use generic touch input (adds swipe, rotate and zoom gestures)
Merge pull request #2524 from Montellese/touch_input_win32

[win32] improved touch input/gesture handling
allow fullscreen actions such as next subtitle, audio stream, audio/subs delay etc. to be handled in other places
Added: [Confluence] Extended subtitle menu for Confluence OSD for easy access to common used features