[doc] note that add_default_interface

might add a stream twice
[depth] dont flip but invert Z
[cmake] only set policy CMP0017 for cmake > 2.8.3

Fix issue #314
Tested with cmake 2.8.1
[cmake] improve finding of python libs/includes

Use the path of the PYTHON_EXECUTABLE as hint for finding libs/includes,
so it is actually usable when the exectuable is in a non-default location.
Also set PYTHON_INCLUDE_DIR2 to advanced.
[sensor] Improve doc of velocity sensor

Fix style too
[doc] Improve indentation used in doc generation
[cmake] Improve locale handling to build the doc

- define LC_ALL instead of LC_CTYPES
- use C.UTF-8 instead of en_US.UTF-8, which is more generic

Fix #302
[builder] camera override rotate

fix #320
[builder] add mocap controller
[doc] update basic
[pocolibs] Fix some bugs in human poster.

Mapping of human is still not perfect.
[yarp] Fix bug in laserscanner
[mocap] update niut to 1.0
[doc] Correct the installation procedure for pocolibs
[doc] Fix a link to code documentation
[doc] Fix some list handling in installation documentation
[doc] Fix a typo in cat_and_mouse tutorial
[doc] Update hri mocap tutorial.

Removed jido, added pr2 and added more explenations on the install
process.
[doc] Fix actuator name in first tutorial

Fix #322
[doc] add note about pymorse