fix #18: inverse the coding and shebang line

examples/simulators/bullet.py

@@ -1,5 +1,5 @@
-# -*- coding: utf-8 -*-
 #!/usr/bin/env python
+# -*- coding: utf-8 -*-
 """Example on how to use the Bullet simulator in pyrobolearn.
 
 Simple example where we use the bullet simulator, load a basic world (with a floor and gravity enabled) and the RRBot

examples/simulators/bullet_ros_publisher.py

@@ -1,5 +1,5 @@
-# -*- coding: utf-8 -*-
 #!/usr/bin/env python
+# -*- coding: utf-8 -*-
 """Example on how to use the Bullet-ROS simulator (the publisher version) in PRL.
 
 The publisher version publish the various data on the corresponding topics every time the joints are set. If the

examples/simulators/bullet_ros_subscriber.py

@@ -1,5 +1,5 @@
-# -*- coding: utf-8 -*-
 #!/usr/bin/env python
+# -*- coding: utf-8 -*-
 """Example on how to use the Bullet-ROS simulator (the subscriber version) in PRL.
 
 The subscriber version subscribe to various topics related to the loaded robot.

examples/simulators/simulators.py

@@ -1,5 +1,5 @@
-# -*- coding: utf-8 -*-
 #!/usr/bin/env python
+# -*- coding: utf-8 -*-
 """Simulator tests.
 
 Example on how to load different things with the simulators. This example is still in an experimental phase. For