Design changes (algebra view width, input in toolbar)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26967 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
selectAll works; don't overwrite existing files without asking

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26968 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e