#4491 add is3D to GeoClass

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35877 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Automatic update of propset svn:ignore via for svnignore.txt's by svnignore

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35878 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Welcome screen started

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35879 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Welcome screen started

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35880 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4991 lazy loading of EV3D in Desktop

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35881 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e