CurvatureVector[3D Point, 3D curve]

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37243 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[giac] update tests

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37244 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
don't abort tube upload if 3D preview image not created

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37245 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
5.0.23.0

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37246 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e