Improve vcpkg manifest, use features for build options.

Now pulling in the required vcpkg dependencies only if a certain build feature is requested.

Bump libprojectM version to 4.1.1

Release version 4.1

Updated several parts of the ReadMe and added a VLC screenshot.

Users reported broken/empty links for several frontends, added the proper pre-release links until the situation improves. Also replaced the no longer available "SilentRadiance" player with VLC.

Bump libprojectM version to 4.0.0

Do away with Intrinsics.h

fix bundle name

fix bundle name

Merge pull request #443 from milkdropper/searchmenufix

Search menu fix

SDL Preset Searching