make tables, blurbs and program listings all approx the same width

[SVN r31542]

doc/html/boostbook.css

@@ -123,7 +123,7 @@ title, h1.title, h2.title, h3.title,
 
 div.informaltable table, div.table table
 {
-    padding: 4px 4px 4px 4px;
+    padding: 4px 0px 4px 0px;
 }
 
 div.informaltable table tr td, div.table table tr td

tools/quickbook

@@ -1 +1 @@
-Subproject commit 6ac5ab8e682d138e6542056e80a2cefcf44c0a9d
+Subproject commit 7ff415d1bbc88d52bd5ff80552d371cbde9929b3