Update version number

traccar-client/src/main/AndroidManifest.xml

@@ -1,17 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="org.traccar.client"
-    android:versionCode="15"
-    android:versionName="2.8">
-    
-    <uses-sdk android:minSdkVersion="3" android:targetSdkVersion="18" />
-    
-    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"></uses-permission>
-    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>
-    <uses-permission android:name="android.permission.INTERNET"></uses-permission>
-    <uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission>
-    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"></uses-permission>
-    <uses-permission android:name="android.permission.WAKE_LOCK"></uses-permission>
+    package="org.traccar.client">
+
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
     
     <application android:label="@string/app_name" android:icon="@drawable/ic_launcher" android:allowBackup="true">