Added a PDF task and updated docsZip

I added a separate task for PDF generation, so that we can get good code formatting in the PDF. I also updated the docsZip task to pick up both the PDF output and the CSS and JS files (and images, if we ever have images in this project) that the HTML output needs.

build.gradle

@@ -117,9 +117,27 @@ sonarqube {
     }
 }
 
+task('makePDF', type: org.asciidoctor.gradle.AsciidoctorTask){
+dependsOn prepareAsciidocBuild
+  backends 'pdf'
+  sourceDir "$buildDir/asciidoc/assemble"
+  outputDir = new File("$buildDir/docs")
+	sources {
+		include 'index.adoc'
+	}
+	options doctype: 'book', eruby: 'erubis'
+	logDocuments = true
+	attributes 'docinfo': 'shared',
+		'icons': 'font',
+    'sectanchors': '',
+    'source-highlighter' : 'coderay',
+    'spring-ldap-version' : project.version,
+    revnumber : project.version
+}
+
 asciidoctor {
-	dependsOn prepareAsciidocBuild
-	backends 'html5', 'pdf'
+	dependsOn makePDF
+	backends 'html5'
 	sourceDir "$buildDir/asciidoc/assemble"
   outputDir = new File("$buildDir/docs")
 	sources {
@@ -142,30 +160,11 @@ asciidoctor {
 		// use provided highlighter
 		'source-highlighter=highlight.js',
 		'highlightjsdir=js/highlight',
-		'highlightjs-theme=atom-one-dark-reasonable'
+		'highlightjs-theme=atom-one-dark-reasonable',
+    'spring-ldap-version' : project.version,
+    revnumber : project.version
 }
 
-
-/* asciidoctor {
-    outputDir = new File("$buildDir/docs")
-    options = [
-            eruby: 'erubis',
-            attributes: [
-                    copycss : '',
-                    icons : 'font',
-                    'source-highlighter': 'prettify',
-                    sectanchors : '',
-                    toc2: '',
-                    idprefix: '',
-                    idseparator: '-',
-                    doctype: 'book',
-                    numbered: '',
-                    'spring-ldap-version' : project.version,
-                    revnumber : project.version
-            ]
-    ]
-} */
-
 task api(type: Javadoc) {
     group = "Documentation"
     description = "Generates aggregated Javadoc API documentation."
@@ -201,6 +200,11 @@ task docsZip(type: Zip, dependsOn: asciidoctor) {
 
     from (new File(asciidoctor.outputDir, "html5")) {
         include "*.html"
+        include 'images/*', 'css/**', 'js/**'
+        into "reference"
+    }
+    from (new File(asciidoctor.outputDir, "pdf")) {
+        include "*.pdf"
         into "reference"
     }
 }