Add an option to turn off all quickbook actions, and use it to implement conditional phrase.

[SVN r67635]

tools/quickbook

@@ -1 +1 @@
-Subproject commit 51d09f5631e5f555635cb51f834580c390106df2
+Subproject commit 29c97dc3f3a1121bbc6fa0c8bcc0478f3255457b