Merge pull request #16 from AlberFernandez/master

XMLText Methods and ModifyFace
Merge pull request #17 from AlberFernandez/master

Modify FaceSetPart, RobotSim Serialization
EUITIbot included

The class EUITIbot fullyoperative but not finished
upgrade of euitibot

correct scale, kinematics, etc. A magic number correction at glscene
update de EuitibotSim realizado por Cristina