Add scripts to handle most of the first couple steps of creating a release.

reltools/release_step2.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+#
+# Step 2 of creating a release:
+#  We've decided a release is worth doing
+#   Update automatic bits
+#   Collect information needed to populate changelog, etc...
+
+set -e -o pipefail
+
+RUNDIR=$(dirname "$0")
+
+cd "${RUNDIR}"
+
+./gen_issues_closed.sh
+
+../abi-check.sh
+
+./update_authors.sh
+
+./check_symbols.sh || true
+