Versioning for v2.6.0

Author: misaochan

app/build.gradle

@@ -76,8 +76,8 @@ android {
 
     defaultConfig {
         applicationId 'fr.free.nrw.commons'
-        versionCode 74
-        versionName '2.5.0'
+        versionCode 75
+        versionName '2.6.0'
         minSdkVersion project.minSdkVersion
         targetSdkVersion project.targetSdkVersion
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"