Navigation bar continuation  #3246

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25621 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #3301: making panels resize after other panels are hidden

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25622 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e