[GITHUB-205] Fix flavor tasks.

Fixes https://github.com/cbeust/kobalt/issues/205

src/main/kotlin/com/beust/kobalt/plugin/packaging/PackagingPlugin.kt

@@ -49,7 +49,7 @@ class PackagingPlugin @Inject constructor(val dependencyManager : DependencyMana
         super.apply(project, context)
         project.projectProperties.put(LIBS_DIR, KFiles.libsDir(project))
         taskContributor.addVariantTasks(this, project, context, "assemble", group = "build",
-                runAfter = listOf ("compile"),
+                dependsOn = listOf("compile"),
                 runTask = { doTaskAssemble(project) })
     }