6 files changed, 36 insertions, 27 deletions
diff --git a/src/gl/box.cc b/src/gl/box.cc
index 67a8ed0..fea5d28 100644
--- a/src/gl/box.cc
+++ b/src/gl/box.cc
@@ -1,10 +1,11 @@
-/* 	box.cc
-	This file is part of the Osirion project
+/*
+   gl/box.cc
+   This file is part of the Osirion project and is distributed under 
+   the terms of the GNU General Public License version 2 
 */
 
 // project headers
 #include "box.h"
-#include "osiriongl.h"
 
 namespace gl {
 
diff --git a/src/gl/box.h b/src/gl/box.h
index f612243..8fb4c45 100644
--- a/src/gl/box.h
+++ b/src/gl/box.h
@@ -1,12 +1,13 @@
-/* 	box.h
-	This file is part of the Osirion project
+/*
+   gl/box.h
+   This file is part of the Osirion project and is distributed under 
+   the terms of the GNU General Public License version 2 
 */
 
 #ifndef __INCLUDED_BOX_H__
 #define __INCLUDED_BOX_H__
 
-#include "common/vector3f.h"
-#include "common/color.h"
+#include "osiriongl.h"
 
 namespace gl {
 
diff --git a/src/gl/osiriongl.cc b/src/gl/osiriongl.cc
index 95e12d1..08462e7 100644
--- a/src/gl/osiriongl.cc
+++ b/src/gl/osiriongl.cc
@@ -1,12 +1,13 @@
-/* 	gl.cc
- *	This file is part of the Osirion project
- */
-
-// SDL headers
-#include <SDL/SDL.h>
+/*
+   gl/osiriongl.cc
+   This file is part of the Osirion project and is distributed under 
+   the terms of the GNU General Public License version 2 
+*/
 
 #include "osiriongl.h"
 
+#include <SDL/SDL.h>
+
 namespace gl 
 {
 
diff --git a/src/gl/osiriongl.h b/src/gl/osiriongl.h
index 26ff131..5a1f9f9 100644
--- a/src/gl/osiriongl.h
+++ b/src/gl/osiriongl.h
@@ -1,23 +1,28 @@
-/* 	gl.h
-	This file is part of the Osirion project
+/*
+   gl/osiriongl.h
+   This file is part of the Osirion project and is distributed under 
+   the terms of the GNU General Public License version 2 
 */
 
 #ifndef __INCLUDED_OSIRIONGL_H__
 #define __INCLUDED_OSIRIONGL_H__
 
-// OpenGL headers
-#include <GL/gl.h>
-
 // project headers
 #include "common/vector3f.h"
 #include "common/color.h"
 
+// OpenGL headers
+#include <GL/gl.h>
+
 /// wrapper namespace for OpenGL operations
 /*! The GL namespace provides a wrapper to the OpenGL library functions.
  *  All methods take floats or Vector3f and Color as parameters.
  */
 namespace gl
 {
+	using common::Vector3f;
+	using common::Color;
+
 	/// initialize the OpenGL subsystem
 	void init();
 
diff --git a/src/gl/sphere.cc b/src/gl/sphere.cc
index 5e4e931..bd724f5 100644
--- a/src/gl/sphere.cc
+++ b/src/gl/sphere.cc
@@ -1,11 +1,11 @@
-/* 	sphere.cc
-	This file is part of the Osirion project
+/*
+   gl/sphere.cc
+   This file is part of the Osirion project and is distributed under 
+   the terms of the GNU General Public License version 2 
 */
 
-#include "common/functions.h"
-
-#include "osiriongl.h"
 #include "sphere.h"
+#include "common/functions.h"
 
 namespace gl {
 
diff --git a/src/gl/sphere.h b/src/gl/sphere.h
index f2bbf0a..2e237c5 100644
--- a/src/gl/sphere.h
+++ b/src/gl/sphere.h
@@ -1,12 +1,13 @@
-/* 	sphere.h
-	This file is part of the Osirion project
+/*
+   gl/sphere.h
+   This file is part of the Osirion project and is distributed under 
+   the terms of the GNU General Public License version 2 
 */
 
 #ifndef __INCLUDED_SPHERE_H__
 #define __INCLUDED_SPHERE_H__
 
-#include "common/vector3f.h"
-#include "common/color.h"
+#include "osiriongl.h"
 
 namespace gl {