Merge pull request #1 from miguelsdc/master

Many minor improvements for nao_driver: nao_leds, nao_behaviour, nao_speech
Updated new code location
Removed outdated README
added foot gait config parameters to walker, plus service to change it at runtime
fixed a bug where naoqi assumed last gait config instead of default if switching to useFootGaitConfig=false
Merge pull request #2 from miguelsdc/master

nao_controller: Preemption of actions
.gitignore updated with actionlib msgs
BSD license
Cleanup of nao_driver CMakeLists.txt
BSD license header to nao_camera, cleaned other nodes' headers
Merge branch 'master' of github.com:ahornung/nao_robot
Merge pull request #4 from sboettcher/master

added foot gait config parameters to walker, plus service to change it at runtime