Fix appendix warnings and other minor fixes

Author: garyrussell

src/reference/asciidoc/index-docinfo.xml

@@ -38,8 +38,8 @@
         <firstname>Amol</firstname>
         <surname>Nayak</surname>
       </author><author>
-      <firstname>Jay</firstname>
-      <surname>Bryant</surname>
+        <firstname>Jay</firstname>
+        <surname>Bryant</surname>
       </author>
     </authorgroup>
 

src/reference/asciidoc/index.adoc

@@ -1,6 +1,5 @@
 [[spring-integration-reference]]
 = Spring Integration Reference Manual
-Mark Fisher, Marius Bogoevici, Iwein Fuld, Jonas Partner, Oleg Zhurakousky, Gary Russell, Dave Syer, Josh Long, David Turanski, Gunnar Hillert, Artem Bilan, Amol Nayak, Jay Bryant
 :revnumber: {version}
 :revdate: {localdate}
 :linkcss:
@@ -22,7 +21,7 @@ include::./preface.adoc[]
 = What's New?
 
 [[spring-integration-intro-new]]
-For those who are already familiar with Spring Integration, this chapter provides a brief overview of the new features of version 5.0.
+For those who are already familiar with Spring Integration, this chapter provides a brief overview of the new features of version 5.1.
 If you are interested in the changes and features that were introduced in earlier versions, see the <<history>>.
 
 include::./whats-new.adoc[]

src/reference/asciidoc/preface.adoc

@@ -15,13 +15,13 @@ This section details the compatible http://www.oracle.com/technetwork/java/javas
 [[supported-java-versions]]
 === Compatible Java Versions
 
-For Spring Integration 5.0.x, the minimum compatible Java version is Java SE 8.
+For Spring Integration 5.1.x, the minimum compatible Java version is Java SE 8.
 Older versions of Java are not supported.
 
 [[supported-spring-versions]]
 === Compatible Versions of the Spring Framework
 
-Spring Integration 5.0.x requires Spring Framework 5.0 or later.
+Spring Integration 5.1.x requires Spring Framework 5.1 or later.
 
 [[code-conventions]]
 == Code Conventions

src/reference/asciidoc/xmpp.adoc

@@ -129,11 +129,11 @@ The preceding examples that show the `namespace` manipulations can be simplified
 
 ====
 [source,xml]
- ----
- payload-expression="#extension.json"
- payload-expression="#extension.bodies[0]"
- ----
- ====
+----
+payload-expression="#extension.json"
+payload-expression="#extension.bodies[0]"
+----
+====
 
 [[xmpp-message-outbound-channel-adapter]]
 ==== Outbound Message Channel Adapter