other buttons in the open/save-dialog

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@23612 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
1.1.0.1 BETA - undo/redo and initial geogebratube search (not finished)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@23613 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
other buttons in the inputDialog

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@23614 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e