[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/sdnc/components/sdnc-prom/resources/bin/switchVoting.sh b/kubernetes/sdnc/components/sdnc-prom/resources/bin/switchVoting.sh
index 091643f..8057547 100755
--- a/kubernetes/sdnc/components/sdnc-prom/resources/bin/switchVoting.sh
+++ b/kubernetes/sdnc/components/sdnc-prom/resources/bin/switchVoting.sh
@@ -1,6 +1,6 @@
-{{/*
-#/bin/sh
+#!/bin/sh
 
+{{/*
 # Copyright © 2018 Amdocs
 #
 # Licensed under the Apache License, Version 2.0 (the "License");