SEC-2953: Add index-docinfo.xml

This removes the "please define title in your docbook file"

docs/docs.gradle

@@ -32,7 +32,8 @@ project('manual') {
 			  numbered: '',
 			  'spring-security-version' : project.version,
 			  'spring-version' : springVersion,
-			  revnumber : project.version
+			  revnumber : project.version,
+			  docinfo : ""
 		  ]
 		]
 	}

docs/manual/src/docs/asciidoc/index-docinfo.xml

@@ -0,0 +1,11 @@
+<productname>Spring Security</productname>
+<releaseinfo>{spring-security-version}</releaseinfo>
+<copyright>
+	<year>2004-2015</year>
+</copyright>
+<legalnotice>
+	<para>Copies of this document may be made for your own use and for distribution to
+	others, provided that you do not charge any fee for such copies and further provided
+	that each copy contains this Copyright Notice, whether distributed in print or
+	electronically.</para>
+</legalnotice>