From 1.1 to 2.0
* added viewer
* added marxbot

From lis branch to 1.1
* removed mav robot
* imported liban into Enki
* improved documentation, added coding conventions page
* cleaning some code to better fit coding conventions
* cleaned microphone interaction (may break experiments)
* cleaned camera orientation (may break experiments)

From 1.0 to lis branch
* added e-puck robot
* added microphone interaction
