S17/S18: send success and failure routes; Sphinx HTML/PDF

Python router + Go sm-leaf reject missing to, empty ct, plaintext body.
Summary logs never include ciphertext. MODULE.md.

build/latex/make.bat

@@ -0,0 +1,31 @@
+@ECHO OFF
+
+REM Command file for Sphinx documentation
+
+pushd %~dp0
+
+set PDFLATEX=latexmk -pdf -dvi- -ps-
+
+set "LATEXOPTS= "
+
+if "%1" == "" goto all-pdf
+
+if "%1" == "all-pdf" (
+	:all-pdf
+	for %%i in (*.tex) do (
+		%PDFLATEX% %LATEXMKOPTS% %%i
+	)
+	goto end
+)
+
+if "%1" == "all-pdf-ja" (
+	goto all-pdf
+)
+
+if "%1" == "clean" (
+	del /q /s *.dvi *.log *.ind *.aux *.toc *.syn *.idx *.out *.ilg *.pla *.ps *.tar *.tar.gz *.tar.bz2 *.tar.xz *.fls *.fdb_latexmk
+	goto end
+)
+
+:end
+popd