Documentation: merge: move configuration section to end

Configuration and environment variables belong to the back matter
of a manual page.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Acked-by: Petr Baudis <pasky@suse.cz>
Signed-off-by: Thomas Rast <trast@student.ethz.ch>

Documentation/git-merge.txt

@@ -48,15 +48,6 @@ include::merge-strategies.txt[]
 If you tried a merge which resulted in complex conflicts and
 want to start over, you can recover with 'git reset'.
 
-CONFIGURATION
--------------
-include::merge-config.txt[]
-
-branch.<name>.mergeoptions::
-	Sets default options for merging into branch <name>. The syntax and
-	supported options are the same as those of 'git merge', but option
-	values containing whitespace characters are currently not supported.
-
 HOW MERGE WORKS
 ---------------
 
@@ -249,6 +240,15 @@ changes into a merge commit.  Small fixups like bumping
 release/version name would be acceptable.
 
 
+CONFIGURATION
+-------------
+include::merge-config.txt[]
+
+branch.<name>.mergeoptions::
+	Sets default options for merging into branch <name>. The syntax and
+	supported options are the same as those of 'git merge', but option
+	values containing whitespace characters are currently not supported.
+
 SEE ALSO
 --------
 linkgit:git-fmt-merge-msg[1], linkgit:git-pull[1],