modify copyright headers authors

Signed-off-by: Marcel Hibbe <dev@mhibbe.de>

app/src/main/AndroidManifest.xml

@@ -2,7 +2,9 @@
   ~ Nextcloud Talk application
   ~
   ~ @author Mario Danic
+  ~ @author Marcel Hibbe
   ~ Copyright (C) 2017-2019 Mario Danic <mario@lovelyhq.com>
+  ~ Copyright (C) 2021-2022 Marcel Hibbe <dev@mhibbe.de>
   ~
   ~ 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

app/src/main/java/com/nextcloud/talk/controllers/ContactsController.java

@@ -2,7 +2,9 @@
  * Nextcloud Talk application
  *
  * @author Mario Danic
- * Copyright (C) 2017 Mario Danic (mario@lovelyhq.com)
+ * @author Marcel Hibbe
+ * Copyright (C) 2017 Mario Danic <mario@lovelyhq.com>
+ * Copyright (C) 2022 Marcel Hibbe <dev@mhibbe.de>
  *
  * 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

app/src/main/java/com/nextcloud/talk/controllers/ConversationsListController.java

@@ -3,8 +3,10 @@
  *
  * @author Mario Danic
  * @author Andy Scherzinger
+ * @author Marcel Hibbe
  * Copyright (C) 2021 Andy Scherzinger (info@andy-scherzinger.de)
  * Copyright (C) 2017-2020 Mario Danic (mario@lovelyhq.com)
+ * Copyright (C) 2022 Marcel Hibbe (dev@mhibbe.de)
  *
  * 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

app/src/main/java/com/nextcloud/talk/controllers/bottomsheet/EntryMenuController.java

@@ -2,7 +2,9 @@
  * Nextcloud Talk application
  *
  * @author Mario Danic
+ * @author Marcel Hibbe
  * Copyright (C) 2017 Mario Danic <mario@lovelyhq.com>
+ * Copyright (C) 2022 Marcel Hibbe <dev@mhibbe.de>
  *
  * 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

app/src/main/java/com/nextcloud/talk/events/ConversationsListFetchDataEvent.kt

@@ -1,8 +1,8 @@
 /*
  * Nextcloud Talk application
  *
- * @author Mario Danic
- * Copyright (C) 2017-2019 Mario Danic <mario@lovelyhq.com>
+ * @author Marcel Hibbe
+ * Copyright (C) 2022 Marcel Hibbe <dev@mhibbe.de>
  *
  * 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

app/src/main/java/com/nextcloud/talk/events/OpenConversationEvent.kt

@@ -1,8 +1,8 @@
 /*
  * Nextcloud Talk application
  *
- * @author Mario Danic
- * Copyright (C) 2017-2019 Mario Danic <mario@lovelyhq.com>
+ * @author Marcel Hibbe
+ * Copyright (C) 2022 Marcel Hibbe <dev@mhibbe.de>
  *
  * 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

app/src/main/java/com/nextcloud/talk/ui/dialog/ConversationsListBottomDialog.kt

@@ -1,3 +1,23 @@
+/*
+ * Nextcloud Talk application
+ *
+ * @author Marcel Hibbe
+ * Copyright (C) 2022 Marcel Hibbe <dev@mhibbe.de>
+ *
+ * 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/>.
+ */
+
 package com.nextcloud.talk.ui.dialog
 
 import android.app.Activity