[PY] Qt5 compatibility.
[Pogooglue] Qt5 compatibility.
[Pintab] Qt5 compatibility.
[Rosenthal] Qt5 compatibility.
[Scroblibre] Qt5 support.
[Scroblibre] Don't ask again for password if it was canceled.
[Util] Link svcauth to sll library.

VkAuthManager now requires Util::MakeNotification.
[SeekThru] Qt5 compatibility.