[X3D-Public] X3D Schema corrections: schema content models

[Don Brutzman]

Found a correction and improvement of LoadSensor content model, which only
applies to the LoadSensor node (and not other X3DNetworkSensorNodes).

Also reviewed, updated and uploaded the autogenerated version of the
X3D specification for XML encodings clause 6, Encoding of Nodes.
This build task has further been added to the automatic nightly builds.

http://www.web3d.org/x3d/stylesheets/EncodingOfNodes.html
https://savage.nps.edu/jenkins/job/X3dStylesheets/ws/stylesheets/EncodingOfNodes.html

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X3D Schema update activity:

11 September 2012, brutzman
- Explicitly declare LoadSensorChildContentModel, was not correct as part of X3DNetworkSensorNode, moved to LoadSensor node only
- Explicitly declare RigidJointNodeContentModel for consistency and to support autogeneration of X3D specification documentation

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This validation case can be tested using the X3D Validator service.
https://savage.nps.edu/X3dValidator

Also updated X3D Schema and DTD documentation.  Relevant links:

http://www.web3d.org/specifications/contents.html
http://www.web3d.org/specifications/X3dDoctypeDocumentation3.3.html
http://www.web3d.org/specifications/X3dSchemaDocumentation3.3/x3d-3.3.html
http://www.web3d.org/specifications/x3d-dtd-changelog.txt
http://www.web3d.org/specifications/x3d-schema-changelog.txt

These and related links are maintained on the X3D Resources page:
http://www.web3d.org/x3d/content/examples/X3dResources.html#AuthoringSupport
http://www.web3d.org/x3d/content/examples/X3dResources.html#Tooltips

Review, comments, questions and improvements are welcome.

all the best, Don
-- 
Don Brutzman  Naval Postgraduate School, Code USW/Br       brutzman at nps.edu
Watkins 270,  MOVES Institute, Monterey CA 93943-5000 USA   +1.831.656.2149
X3D graphics, virtual worlds, navy robotics http://faculty.nps.edu/brutzman