An attempt to recreate better level editor for Deus Ex.

Extended/Improved features I've already implemented:

• High-precision texture rotation. The minimal step is 0.001°
• Startup check. Check if all EditPackages are exist, so we can safely continue loading the editor.
• Search in Class Browser.

• Uses FreeEsVCLComponents: https://github.com/errorcalc/FreeEsVclComponents
• Uses JEDI VCL: https://github.com/project-jedi/jvcl

Right now I'm learning how it works.