Add builds for main stdlib, stdlib jre7/8, kotlin.test

libraries/build.gradle

@@ -32,6 +32,11 @@ subprojects {
         from("${rootDir}/../dist/kotlinc/build.txt") { into("META-INF/") }
     }
 
+    // TODO: use dokka instead?
+    javadoc {
+        failOnError = false
+    }
+
     task sourcesJar(type: Jar, dependsOn:classes) {
         classifier = 'sources'
         from sourceSets.main.allSource