IE keyboard events (trunk)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33196 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Left / right arrows swapped in  stylebars

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33197 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e