Fix run.sh when no parameter

run.sh

@@ -22,7 +22,7 @@ usage(){
 
 #We will redirect all stdout to stderr ( 1>&2 ) in order to not mix with the stdout of the program we run
 {
-    [ $1 ] || { echo "Missing project directory."; usage; exit 1; }
+    [ $# -lt 1 ] && { echo "Missing project directory."; usage; exit 1; }
 
     cd $(dirname $0)
     blaar_dir="$PWD"