Lazy loading for images in dock panels

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35454 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
 #4465 StatTableModel and MultiVarStatTableModel applied to web in Stat Tables

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35455 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@35456 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
properties files and related resources automatically updated from ggbtrans

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35457 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Fix for #4468

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35458 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e