perm fix
diff --git a/xos/observers/vcpe/run.sh b/xos/observers/vcpe/run.sh
old mode 100644
new mode 100755
diff --git a/xos/observers/vcpe/start.sh b/xos/observers/vcpe/start.sh
old mode 100644
new mode 100755
diff --git a/xos/observers/vcpe/stop.sh b/xos/observers/vcpe/stop.sh
old mode 100644
new mode 100755