Start incorporating some of my pre-existing code into a stand-alone Gradle plugin

Keeping notes for later, will need to use this approach in order to get the DSL
usable from within the `.gradle` files
    <http://mrhaki.blogspot.com/2013/05/gradle-goodness-extending-dsl.html>

build.gradle

@@ -3,17 +3,36 @@ plugins {
 }
 
 apply plugin: 'groovy'
+apply plugin: 'maven'
 
 
 group = 'com.github.rtyler'
 version = '0.1.0'
 description = ''
 
+sourceCompatibility = '1.6'
+targetCompatibility = '1.6'
+
+repositories {
+    jcenter()
+}
+
 dependencies {
-    testCompile 'org.spockframework:spock-core:0.7-groovy-2.0'
+    compile 'org.codehaus.groovy:groovy-all:2.3.6'
+    compile gradleApi()
+
+    testCompile('org.spockframework:spock-core:0.7-groovy-2.0') {
+        exclude module: 'groovy-all'
+    }
     testCompile 'cglib:cglib-nodep:2.2.+'
 }
 
+test {
+    testLogging {
+        events "passed", "skipped", "failed", "standardOut", "standardError"
+    }
+}
+
 
 bintray {
     user = project.bintrayUser

src/main/groovy/com/github/rtyler/LocaldocsPlugin.groovy

@@ -0,0 +1,21 @@
+package com.github.rtyler
+
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.api.tasks.javadoc.Javadoc
+
+class LocaldocsPlugin implements Plugin<Project> {
+    void apply(Project project) {
+        project.configurations.create('localJavadocs')
+
+        project.task('generateLocalJavadoc', type: Javadoc) {
+            destinationDir = project.file("${project.buildDir}/local-javadocs")
+
+            source = project.configurations.localJavadocs.files.collect { sourceArtifact ->
+                zipTree(sourceArtifact).findAll {
+                    it.name.endsWith('java')
+                }
+            }
+        }
+    }
+}

src/main/resources/META-INF/gradle-plugins/com.github.rtyler.localdocs.properties

@@ -0,0 +1 @@
+implementation-class=com.github.rtyler.LocaldocsPlugin

src/test/groovy/com/github/rtyler/LocaldocsPluginSpec.groovy

@@ -0,0 +1,22 @@
+package com.github.rtyler
+
+import org.gradle.api.Project
+import org.gradle.testfixtures.ProjectBuilder
+import spock.lang.*
+
+class LocaldocsPluginSpec extends Specification {
+    private project
+
+    def setup() {
+        project = ProjectBuilder.builder().build()
+        project.apply plugin: 'com.github.rtyler.localdocs'
+    }
+
+    def "can create the plugin"() {
+        when:
+        def plugin = new LocaldocsPlugin()
+
+        then:
+        plugin instanceof LocaldocsPlugin
+    }
+}