Fixes for shellcheck

The difference between @ and * in the bash arrays:
```
(d) cbast1.lon5:~> set -x; echo "${nick[@]}"; set +x
+ set -x
+ echo

+ set +x
(d) cbast1.lon5:~> set -x; echo "${nick[*]}"; set +x
+ echo ''

+ set +x
(d) cbast1.lon5:~>
```

auter.aptModule

@@ -40,17 +40,17 @@ function prepare_updates() {
             DOWNLOADLOGMSG=" to ${DOWNLOADDIR}/${CONFIGSET}"
           fi
           declare -x DEBIAN_FRONTEND=noninteractive
-          PREPOUTPUT=$($PACKAGE_MANAGER $PACKAGEMANAGEROPTIONS $DOWNLOADOPTION --download-only dist-upgrade -y 2>&1)
+          PREPOUTPUT=$("${PACKAGE_MANAGER}" "${PACKAGEMANAGEROPTIONS[@]}" "${DOWNLOADOPTION}" --download-only dist-upgrade -y 2>&1)
           if [[ $(echo "${PREPOUTPUT}" | grep -c '^[WE]:') -gt 0 ]]; then
-            logit "ERROR: There were errors returned by \`${PACKAGE_MANAGER} ${PACKAGEMANAGEROPTIONS[@]} ${DOWNLOADOPTION} --download-only dist-upgrade -y\`. Exiting."
+            logit "ERROR: There were errors returned by \`${PACKAGE_MANAGER} ${PACKAGEMANAGEROPTIONS[*]} ${DOWNLOADOPTION} --download-only dist-upgrade -y\`. Exiting."
           else
             logit "INFO: Updates downloaded${DOWNLOADLOGMSG}"
           fi
         else [[ "${AVAILABLE_PACKAGE_COUNT}" -eq 0 ]]
           logit "INFO: No updates are available to be downloaded."
         fi
       else
-        logit "ERROR: There were errors returned by \`${PACKAGE_MANAGER} -u upgrade --assume-no ${PACKAGEMANAGEROPTIONS[@]}\`. Exiting."
+        logit "ERROR: There were errors returned by \`${PACKAGE_MANAGER} -u upgrade --assume-no ${PACKAGEMANAGEROPTIONS[*]}\`. Exiting."
       fi
     else
       logit "WARNING: downloadonly option is not available"
@@ -130,7 +130,7 @@ function apply_updates() {
       log_last_run
     fi
   else
-    logit "ERROR: Exit status ${RC} returned by \`${PACKAGE_MANAGER} -u upgrade --assume-no ${PACKAGEMANAGEROPTIONS[@]}\`. Exiting."
+    logit "ERROR: Exit status ${RC} returned by \`${PACKAGE_MANAGER} -u upgrade --assume-no ${PACKAGEMANAGEROPTIONS[*]}\`. Exiting."
     quit 3
   fi
 }

auter.yumdnfModule

@@ -72,7 +72,7 @@ function prepare_updates() {
         fi
 
       elif [[ "${RC}" -eq 1 ]]; then
-        logit "ERROR: Exit status ${RC} returned by \`${PACKAGE_MANAGER} ${PACKAGEMANAGEROPTIONS[@]} ${DOWNLOADOPTION[@]} update --downloadonly -y\`. Exiting."
+        logit "ERROR: Exit status ${RC} returned by \`${PACKAGE_MANAGER} ${PACKAGEMANAGEROPTIONS[*]} ${DOWNLOADOPTION[*]} update --downloadonly -y\`. Exiting."
       else
         logit "INFO: No updates are available to be downloaded."
       fi
@@ -161,7 +161,7 @@ function apply_updates() {
     logit "INFO: No updates are available to be applied."
     log_last_run
   else
-    logit "ERROR: Exit status ${RC} returned by \`${PACKAGE_MANAGER} check-update ${PACKAGEMANAGEROPTIONS[@]}\`. Exiting."
+    logit "ERROR: Exit status ${RC} returned by \`${PACKAGE_MANAGER} check-update ${PACKAGEMANAGEROPTIONS[*]}\`. Exiting."
     quit 3
   fi
 }