tweak release target to build docs and test first

Makefile

@@ -13,7 +13,7 @@ docs:
 	pandoc -s -w man docs/manpage_header.md docs/header.md docs/body.md -o docs/autojump.1
 	pandoc -s -w markdown docs/header.md docs/install.md docs/development.md docs/body.md -o README.md
 
-release:
+release: docs test
 	# Check for tag existence
 	# git describe release-$(VERSION) 2>&1 >/dev/null || exit 1