Fix xapparser __init__.py encoding, UTF used in header
run nao_diagnostic_updater by default
move NaoJointsAnalyzer.cpp from nao_viz
make the license explicit as mentioned by @ahornung
Merge pull request #25 from vrabaud/nao_viz

Moving NaoJointsAnalyzer from nao_viz, start diagnostic updater by default
Fixing PR #24 for NaoQI 1.12

ALRobotPosture is optional, node no longer exits
Fixing PR #23 for simulation usage

Use class NaoNode as before for proxy creation