add missing license headers

src/main/java/com/nextcloud/android/sso/InputStreamBinder.java

@@ -36,9 +36,26 @@ import java.util.Arrays;
 import java.util.Map;
 
 /**
- * Created by david on 29.06.17.
+ *  Nextcloud SingleSignOn
+ *
+ *  @author David Luhmer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
  *
  * More information here: https://github.com/abeluck/android-streams-ipc
+ *
  */
 
 public class InputStreamBinder extends IInputStreamService.Stub {

src/main/java/com/nextcloud/android/sso/aidl/IThreadListener.java

@@ -1,7 +1,22 @@
 package com.nextcloud.android.sso.aidl;
 
 /**
- * Created by david on 29.06.17.
+ *  Nextcloud SingleSignOn
+ *
+ *  @author David Luhmer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 public interface IThreadListener {

src/main/java/com/nextcloud/android/sso/aidl/NextcloudRequest.java

@@ -6,7 +6,22 @@ import java.util.List;
 import java.util.Map;
 
 /**
- * Created by david on 28.06.17.
+ *  Nextcloud SingleSignOn
+ *
+ *  @author David Luhmer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 public class NextcloudRequest implements Serializable {

src/main/java/com/nextcloud/android/sso/aidl/ParcelFileDescriptorUtil.java

@@ -7,7 +7,27 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 
-public class ParcelFileDescriptorUtil {
+/**
+ *  Nextcloud SingleSignOn
+ *
+ *  @author David Luhmer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+public final class ParcelFileDescriptorUtil {
+
 
     public static ParcelFileDescriptor pipeFrom(InputStream inputStream, IThreadListener listener)
             throws IOException {

src/main/java/com/owncloud/android/services/AccountManagerService.java

@@ -6,6 +6,25 @@ import android.os.IBinder;
 
 import com.nextcloud.android.sso.InputStreamBinder;
 
+/**
+ *  Nextcloud SingleSignOn
+ *
+ *  @author David Luhmer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 public class AccountManagerService extends Service {
 
     private InputStreamBinder mBinder;

src/main/java/com/owncloud/android/ui/asynctasks/AsyncTaskHelper.java

@@ -11,7 +11,22 @@ import android.support.annotation.RequiresApi;
 import java.util.concurrent.Callable;
 
 /**
- * Created by david on 27.06.17.
+ *  Nextcloud SingleSignOn
+ *
+ *  @author David Luhmer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 public class AsyncTaskHelper {