Cleaned up the whole project

Added Copyrights
--> Version 0.7.1

app/build.gradle

@@ -1,3 +1,10 @@
+/*
+ * Created by Julian Mutter on 7/10/18 3:58 PM
+ * Copyright (c) 2018. All rights reserved.
+ * Last modified 7/10/18 3:55 PM
+ *
+ */
+
 apply plugin: 'com.android.application'
 
 android {
@@ -9,8 +16,8 @@ android {
         applicationId 'de.frajul.endlessroll'
         minSdkVersion 14
         targetSdkVersion 26
-        versionCode 7
-        versionName '0.7.0'
+        versionCode 8
+        versionName '0.7.1'
     }
     buildTypes {
         release {
@@ -25,7 +32,7 @@ android {
 dependencies {
     compile fileTree(include: ['*.jar'], dir: 'libs')
     testCompile 'junit:junit:4.12'
-    compile 'com.android.support:appcompat-v7:23.1.1'
-    compile 'com.google.android.gms:play-services-ads:15.0.0'
+    compile 'com.android.support:appcompat-v7:26.1.0'
+    compile 'com.google.android.gms:play-services-ads:15.0.1'
     compile files('libs/simple-xml-2.7.1.jar')
 }