[COMMON] Fix shell scripts missing shebangs

pointed out by checkbashisms.

$ tox -e checkbashisms |grep 'interpreter line' | cut -d' ' -f2
  |xargs grep -lv '#!/bin/sh' | xargs sed -i -e '1i#!/bin/sh' -e '1i\\'

plus manual fixes

Issue-ID: OOM-2643
Signed-off-by: Guillaume Lambert <guillaume.lambert@orange.com>
Change-Id: Ic41fec6ebadd162cecf889f2b119ac82551bd21d
diff --git a/kubernetes/robot/scripts/etescript/hvves-etescript.sh b/kubernetes/robot/scripts/etescript/hvves-etescript.sh
index 5d22c4b..b47051f 100755
--- a/kubernetes/robot/scripts/etescript/hvves-etescript.sh
+++ b/kubernetes/robot/scripts/etescript/hvves-etescript.sh
@@ -1,3 +1,5 @@
+#!/bin/bash
+
 # Copyright © 2019 Nokia
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -12,8 +14,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-#!/bin/bash
-
 #
 # Generate HV-VES SSL related certs.
 # Copy the stuff to HV-VES and Robot pods.