fix run.sh was pointing to the hpc observer
diff --git a/xos/observers/hello_world/run.sh b/xos/observers/hello_world/run.sh
index f77d751..1107a7a 100755
--- a/xos/observers/hello_world/run.sh
+++ b/xos/observers/hello_world/run.sh
@@ -3,4 +3,4 @@
 #fi
 
 export XOS_DIR=/opt/xos
-python hpc-observer.py  -C $XOS_DIR/observers/hpc/hpc_observer_config
+python helloworld-observer.py  -C $XOS_DIR/observers/hello_world/helloworld_config