add forgoten licenses to xml resources of activites "Add shortcut" and "File Selection"

term/src/main/res/layout/activity_addshortcut.xml

 <?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2017 Roumen Petrov.  All rights reserved.
+
+     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.
+-->
+
 <android.support.v4.widget.NestedScrollView
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"

term/src/main/res/layout/activity_file_selection.xml

 <?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2017 Roumen Petrov.  All rights reserved.
+
+     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.
+-->
+
 <LinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"