Castle Game Engine: Big merge: Delphi compatibility, integration with Vampyre Imaging Library, many new/upgraded examples, inspector improvements, more

I have just merged a giant pull request to CGE with 334 commits! This is a big work from Andrzej Kilijański and me (Michalis Kamburelis) from the last 3.5 months, and it includes: Delphi compatibility! See PR 350 for details what works with Delphi — in short, almost everything 🙂 The supported compilers page was …