spinner positioned, file descriptors updated

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@23802 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Javadoc + cleanup

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@23803 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e