GlassPane for applets

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34359 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Menu size fix for applets

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34360 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Changed web spreadsheet layout: The single table is now replaced by a cell table with separate row and column header tables. (#3706) 

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34361 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
styles for new web spreadsheet layout

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34362 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e