Backport improved paragraphs from spirit 2 version

Templates are no longer expanded inside paragraphs, although callout
lists still are. Refs #4302.

[SVN r63713]

tools/quickbook

@@ -1 +1 @@
-Subproject commit 3dfcf5ef14b2a8635cf99eb08059653f494224b1
+Subproject commit 93fb714dacb601bfde0cb0371d4272118e522b5d