Add ASF license headers to all Scala .conf files. (#49)

diff --git a/.scalafmt.conf b/.scalafmt.conf
index 0dc41ec..7084efe 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,6 +1,9 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more contributor
+# license agreements; and to You under the Apache License, Version 2.0.
+
 style = intellij
 danglingParentheses = false
 maxColumn = 120
 docstrings = JavaDoc
 rewrite.rules = [SortImports]
-project.git = true
\ No newline at end of file
+project.git = true
diff --git a/tests/src/test/resources/application.conf b/tests/src/test/resources/application.conf
index 873d223..759f063 100644
--- a/tests/src/test/resources/application.conf
+++ b/tests/src/test/resources/application.conf
@@ -1,3 +1,5 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more contributor
+# license agreements; and to You under the Apache License, Version 2.0.
 
 whisk.spi {
   SimpleSpi = whisk.spi.SimpleSpiImpl