- Fixed pipeline functionality

- Projection and modelview matrices are set correctly for fixed pipeline
   functionality
- Bugfix in CrossProduct

- Bug fix in CrossProduct(const C_Vertex* v1, const C_Vertex* v2)
- Drawing normals, binormals and tangents

- Added drawNormals functions in C_MeshGroup and C_Mesh.
  Drawing is done in immediate mode
- Bugfix in applyTransformationOnVertices()

- Tranformation is now applied on binormals and tangents too!!
- Different way of calculating tangents

- Included a commented out way of calculating the tangents by cross
product between binormals and normals