project: Remove gitlink.

Gitlink is now unsupported upstream and broken.

project: Update for 7.1 merge.

fftools: Fix linking with libbluray.

project: Fix manifest collision.

Fixes #107

projects: Update for 7.0 merge.

project: Update for recent upstream merge.

project: Update for ffvs fixes.

projects: Update for recent merge.

project: Update for upstream merge.

project: Fix VS2022 CI build.