GitLab

(fixes VAOFileManager reloading every frame)

controllers for VAO, ShaderProgram, FBO now apply external attribute settings before merging in their own

* VertexArrayObjectControl
* VertexArrayObjectControlFile
* ShaderProgramControlFiles
* FrameBufferObjectControl

* Added constness to the buffers which are hold by the vertex buffer object (otherwise you cannot attach const buffers and there is no reason why this should not be possible)
* IMPORTANT: Fixed a major bug in the ACGL RenderObject which caused a wrong mapping to the array buffers! All projects should update to this newest version of ACGL!

-Added member to the Attribute struct (VertexBufferObject) in order to save the index of the attribute within the shader
-VertexBufferObjectControl and VertexBufferObjectControlFileOBJ can now do the mapping based on a shaderProgram assigned to them

- VertexBuffer and FrameBuffer renamed to VertexBufferObject and FrameBufferObject respectively. This convention is more consistent regarding the State, which now gets a FrameBufferObject (FBO), VertexBufferObject (VBO) and ShaderProgramObject (SPO)
- Added controllers and objects to the Controller.hh and Objects.hh respectively
- Added corresponding managers