Merge pull request #339 from Enforcer/review-chapter-19

Review of chapter 19

chapter_19_spiking_custom_auth.asciidoc

@@ -53,6 +53,7 @@ Oauth?  Openid?  "Login with Facebook"?   Ugh.
 For me those all have unacceptable creepy overtones;
 why should Google or Facebook know what sites you're logging into and when?
 
+// SEBASTIAN: As much as I appreciate the history of the chapter, I am not sure if they bring any value to the reader
 In the first edition I used an experimental project called "Persona",
 cooked up by a some of the wonderful techno-hippy-idealists at Mozilla,
 but sadly that project was abandoned.
@@ -906,7 +907,7 @@ and reintroduce them one by one in a test-driven way.
 ==== Reverting Our Spiked Code
 
 
-
+// SEBASTIAN: Oh, this is neat! Remove all the spike code and leave the test behind
 
 [subs="specialcharacters,quotes"]
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