A3DGE Code

+ Added reference to the world to Ta3dEntity3D.
+ Now Ta3dEntity3DList and Ta3dObject3DList use the Name property.
* Some documentation updates.

+ Added animation API.
+ Added vector linear interpolation fuction (a3dVectorLerp).
+ Tested both LERP and animation.

+ World3D is able to manage objects and render them.
- Removed some compiler warnings of "Parameter not used".
* Fixed Pascal dialect in makefile and project.

* Fixed components: They didn't got the Owner pointer!!!
+ Started with backgrounds and models, and added functionality to Entities, and
cameras, so it is able to render things in a 3D space!

+ Added camera setup.

* A few changes in the "Entity" and "Object3D" design.
* Documentation updates for such changes.

[Emergency commit to avoid loss 'cause my computer is doing weird things]
+ Added function a3dIdentityMatrix.
+ Added units a3dge.Models, a3dge.Materials, a3dge.World3D and
a3dge.OctreeWorld3D with scafolding of the 3D space subsystem.
* Documentation completed and fixed.

+ Added a few more matrix operations.

+ Added Ta3dMatrix3D.
+ Added another way to build a gnomon.
* Documentation updates.

* Fixed makefile.
* Fixed ex_test_components.
+ Added vector functions and methods.
+ Added Gnommon build routines.