Kapt: Add runtime library, move all modules inside the 'kapt3' directory

plugins/kapt3/kapt3-compiler/testData/converter/jvmOverloads.kt

@@ -0,0 +1,17 @@
+class State @JvmOverloads constructor(
+        val someInt: Int,
+        val someLong: Long,
+        val someString: String = ""
+)
+
+class State2 @JvmOverloads constructor(
+        @JvmField val someInt: Int,
+        @JvmField val someLong: Long = 2,
+        @JvmField val someString: String = ""
+) {
+    @JvmOverloads
+    fun test(someInt: Int, someLong: Long = 1, someString: String = "A"): Int = 5
+
+    fun someMethod(str: String) {}
+    fun methodWithoutArgs() {}
+}