Update script

app/scone-test.sh

 #!/bin/bash
 
 export SCONE_VERSION=1
-curl https://git.lsd.ufcg.edu.br/ffosilva/scone-test/raw/master/app/scone-test.tar.gz | tar zx && ./scone-test && rm scone-test
+
+TEMPDIR=`mktemp -d`
+
+cd ${TEMPDIR} &&\
+curl https://git.lsd.ufcg.edu.br/ffosilva/scone-test/raw/master/app/scone-test.tar.gz | tar zx &&\
+./scone-test &&\
+rm -rf ${TEMPDIR}