scripts: sanity/dns/wallet-cli helpers; ops cleanup

scripts/taler-sanity/run_all.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+# Run all sanity checks; exit non-zero if any failed.
+set -euo pipefail
+ROOT=$(cd "$(dirname "$0")" && pwd)
+ec=0
+for s in \
+  check_helpers-running.sh \
+  check_stack-health.sh \
+  check_merchant-delays.sh \
+  check_exchange-wirewatch.sh \
+  check_settlement.sh
+do
+  echo ""
+  echo "########## $s ##########"
+  if bash "$ROOT/$s"; then
+    echo "PASS $s"
+  else
+    echo "FAIL $s (exit $?)"
+    ec=1
+  fi
+done
+exit $ec