[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/oof/components/oof-has/resources/config/healthy.sh b/kubernetes/oof/components/oof-has/resources/config/healthy.sh
index 9f5309b..21296ff 100755
--- a/kubernetes/oof/components/oof-has/resources/config/healthy.sh
+++ b/kubernetes/oof/components/oof-has/resources/config/healthy.sh
@@ -1,3 +1,5 @@
+#!/bin/bash
+
 {{/*
 # Copyright © 2017 Amdocs, Bell Canada
 # Modifications Copyright © 2018 AT&T,VMware
@@ -13,9 +15,8 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
 */}}
-#!/bin/bash
+
 {{/*
 # Controller is a process that reads from Music Q
 # It uses no ports (TCP or HTTP). The PROB will check