[Maintenance] Add script to create release (as git-tag)

release

@@ -0,0 +1,8 @@
+#!/bin/sh
+echo "Revision $(git rev-list --count HEAD)" > .release-notes
+echo '' >> .release-notes
+echo 'Changes (auto-generated):' >> .release-notes
+git log --format='* %cs: (%h) %s' "${1}..master" >> .release-notes
+"${EDITOR:-nano}" .release-notes
+git tag -a "rev$(git rev-list --count HEAD)" -F .release-notes
+rm .release-notes