More markup fixes

Get the sections rendering correctly in hugo
Convert markdown enumerated list convention to asciidoc
Remove stray '+' lines
Small tweak in wording missed in review for this content's new context

documentation/content/en/books/developers-handbook/policies/chapter.adoc

@@ -136,6 +136,7 @@ will be rejected. Only annotated tags are allowed to be pushed. The
 annoated tag gives you a chance to enter a commit message. Enter
 the version you are importing, along with any salient new features
 or fixes in that version.
+
 ==== Updating the FreeBSD Copy
 At this point you can push the import to vendor into our repo.
 [source,bash]
@@ -271,10 +272,11 @@ branch step.
 % git push --follow-tags freebsd vendor/glorbnitz
 ....
 By 'good' we mean:
-1. All the right files are present
-2. None of the wrong files are present
-3. The vendor branch points at something sensible
-4. The tag looks good, and is annotated.
+
+. All the right files are present
+. None of the wrong files are present
+. The vendor branch points at something sensible
+. The tag looks good, and is annotated.
 
 ==== Time to finally merge it into the base tree*
 [source,bash]
@@ -285,14 +287,14 @@ By 'good' we mean:
 % git push freebsd
 ....
 Here 'good' means:
-1. All the right files, and none of the wrong ones, were merged into contrib/glorbnitz.
-2. No other changes are in the tree
-3. The commit messages look good.
-+
+
+. All the right files, and none of the wrong ones, were merged into contrib/glorbnitz.
+. No other changes are in the tree
+. The commit messages look good.
+
 [NOTE]
 ====
-This hasn't connected `glorbnitz` to the build yet. How to do
-that hasn't changed and is beyond the scope of this article.
+This hasn't connected `glorbnitz` to the build yet. How so do that is specific to the software being imported.
 ====
 [[policies-encumbered]]
 == Encumbered Files