fix copyrights

Author: yramanchuk

samples/objc/FirebaseUIChat/FIRSample.h

@@ -1,9 +1,19 @@
 //
 //  FIRSampleContainer.h
-//  FirebaseUIChat
 //
-//  Created by Yury Ramanchuk on 9/8/16.
-//  Copyright © 2016 Firebase, Inc. All rights reserved.
+//  Copyright (c) 2016 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.
 //
 
 #import <Foundation/Foundation.h>

samples/objc/FirebaseUIChat/FIRSample.m

@@ -1,9 +1,19 @@
 //
 //  FIRSampleContainer.m
-//  FirebaseUIChat
 //
-//  Created by Yury Ramanchuk on 9/8/16.
-//  Copyright © 2016 Firebase, Inc. All rights reserved.
+//  Copyright (c) 2016 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.
 //
 
 #import "FIRSample.h"

samples/objc/FirebaseUIChat/FIRSamplesViewController.h

@@ -1,9 +1,19 @@
 //
 //  SamplesViewController.h
-//  FirebaseUIChat
 //
-//  Created by Yury Ramanchuk on 9/7/16.
-//  Copyright © 2016 Firebase, Inc. All rights reserved.
+//  Copyright (c) 2016 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.
 //
 
 #import <UIKit/UIKit.h>

samples/objc/FirebaseUIChat/FIRSamplesViewController.m

@@ -1,9 +1,19 @@
 //
 //  SamplesViewController.m
-//  FirebaseUIChat
 //
-//  Created by Yury Ramanchuk on 9/7/16.
-//  Copyright © 2016 Firebase, Inc. All rights reserved.
+//  Copyright (c) 2016 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.
 //
 
 #import "FIRSample.h"

samples/objc/FirebaseUIChat/Samples/Auth/FIRAuthViewController.h

@@ -1,9 +1,19 @@
 //
 //  AuthViewController.h
-//  FirebaseUIChat
 //
-//  Created by Yury Ramanchuk on 9/7/16.
-//  Copyright © 2016 Firebase, Inc. All rights reserved.
+//  Copyright (c) 2016 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.
 //
 
 #import <UIKit/UIKit.h>

samples/objc/FirebaseUIChat/Samples/Auth/FIRAuthViewController.m

@@ -1,9 +1,19 @@
 //
 //  AuthViewController.m
-//  FirebaseUIChat
 //
-//  Created by Yury Ramanchuk on 9/7/16.
-//  Copyright © 2016 Firebase, Inc. All rights reserved.
+//  Copyright (c) 2016 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.
 //
 
 #import "FIRAuthViewController.h"