helpme: new plugin.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

helpme/Makefile

@@ -0,0 +1,9 @@
+#! /usr/bin/make
+
+check: flake8 pytest
+
+flake8:
+	flake8 --ignore=E501,W503 helpme.py
+
+pytest:
+	pytest helpme.py

helpme/README.md

@@ -0,0 +1,8 @@
+# Helpme plugin for c-lightning
+
+This plugin is designed to walk you through setting up a fresh
+c-lightning node, offering advice for common problems.
+
+## Example Usage
+
+`lightning-cli helpme` will describe various topics.

summary/summary.py

@@ -207,6 +207,8 @@ def summary(plugin):
                 s += c[3][0:32]
             reply['channels'].append(s)
 
+    # Make modern lightning-cli format this human-readble by default!
+    reply['format-hint'] = 'simple'
     return reply