[pocolibs] Fix an bug in rflex_overlays: list does not have clear() method
[pymorse] Improve port error handling

When a component has a datastream that is not socket, the
get_stream_port service now fails. This failure is correctly handled by
pymorse that does fail on creating the associated Stream.
PR2 can grab object as human does.
[laserscan] do not show arc in 2.66

BGE bug was fixed on rev. r55483 by Dalai Felinto
http://projects.blender.org/tracker/?func=detail&aid=34550
Should be OK in 2.67 - fix #304
Created a grasper robot with RobotGrasper class.

This class just define an abstract robot with the grab_ service.
The main goal of this class is to avoid code duplication.
[doc] {laas->morse}-theme + rm old files
[doc] change CSS for <tt> to make it more obvious
[doc] mention OpenRTM in install
[doc] Improved rendering of line num in doc code samples
[doc] Improve CSS for images. Honor :align center:
[doc] Minor change to CSS for admonitions
Merge branch 'master' of git://github.com/laas/morse