Add copyright headers, license and notice files.

For release.
diff --git a/MODULE_LICENSE_APACHE2 b/MODULE_LICENSE_APACHE2
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/MODULE_LICENSE_APACHE2
diff --git a/NOTICE b/NOTICE
new file mode 100644
index 0000000..5caf944
--- /dev/null
+++ b/NOTICE
@@ -0,0 +1,11 @@
+   =========================================================================
+   ==  NOTICE file corresponding to the section 4 d of                    ==
+   ==  the Apache License, Version 2.0,                                   ==
+   ==  in this case for the Project Ara-specific code.                    ==
+   =========================================================================
+
+Project Ara Code
+Copyright 2014 Google, Inc.
+
+This product includes software developed as part of
+Project Ara (http://www.projectara.com/).
diff --git a/src/com/motorola/araplox/AFE4400Thread.java b/src/com/motorola/araplox/AFE4400Thread.java
index 6561304..ccc8309 100644
--- a/src/com/motorola/araplox/AFE4400Thread.java
+++ b/src/com/motorola/araplox/AFE4400Thread.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright (C) 2014 Google, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.motorola.araplox;
 
 import android.hardware.I2cManager;
diff --git a/src/com/motorola/araplox/MainActivity.java b/src/com/motorola/araplox/MainActivity.java
index 78e2bcd..2c00763 100644
--- a/src/com/motorola/araplox/MainActivity.java
+++ b/src/com/motorola/araplox/MainActivity.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright (C) 2014 Google, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.motorola.araplox;
 
 import android.os.Bundle;
diff --git a/src/com/motorola/araplox/Mlx90620Listener.java b/src/com/motorola/araplox/Mlx90620Listener.java
index db3a887..af89a20 100644
--- a/src/com/motorola/araplox/Mlx90620Listener.java
+++ b/src/com/motorola/araplox/Mlx90620Listener.java
@@ -1,5 +1,22 @@
+/*
+ * Copyright (C) 2014 Google, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.motorola.araplox;
 
+// TODO rename interface name; copy-pasta from arathermal
 public interface Mlx90620Listener{
     public void updateAFE4400Status(String status);
 }
diff --git a/src/com/motorola/araplox/TemperaturePanel.java b/src/com/motorola/araplox/TemperaturePanel.java
index a45f6b7..580a6e4 100644
--- a/src/com/motorola/araplox/TemperaturePanel.java
+++ b/src/com/motorola/araplox/TemperaturePanel.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright (C) 2014 Google, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.motorola.araplox;
 
 import android.content.Context;