Fixed "peer not authenticated" error for maven repository

build.gradle

@@ -3,9 +3,9 @@ import com.badlogic.gdx.tools.texturepacker.TexturePacker
 
 buildscript {
     repositories {
-//        mavenCentral()
-        maven { url 'https://jitpack.io' }
-        jcenter{ url "http://jcenter.bintray.com/" }
+        maven   { url "http://repo1.maven.org/maven2" }
+        maven   { url "https://jitpack.io" }
+        jcenter { url "http://jcenter.bintray.com/" }
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:2.0.0'
@@ -13,7 +13,7 @@ buildscript {
         classpath 'de.felixschulze.gradle:gradle-spoon-plugin:2.1'
         classpath 'com.github.JakeWharton:sdk-manager-plugin:220bf7a88a7072df3ed16dc8466fb144f2817070'
         classpath 'com.novoda:gradle-android-command-plugin:1.3.0'
-        classpath "com.badlogicgames.gdx:gdx-tools:1.6.1"
+        classpath 'com.badlogicgames.gdx:gdx-tools:1.6.1'
     }
 }
 
@@ -69,12 +69,10 @@ allprojects {
     version = getVersionNameFromGit()
 
     repositories {
-        mavenCentral()
-        jcenter {
-            url "http://jcenter.bintray.com/"
-        }
-        maven { url "https://oss.sonatype.org/content/repositories/snapshots/" }
-        maven { url "https://oss.sonatype.org/content/repositories/releases/" }
+        maven   { url "http://repo1.maven.org/maven2" }
+        jcenter { url "http://jcenter.bintray.com/" }
+        maven   { url "https://oss.sonatype.org/content/repositories/snapshots/" }
+        maven   { url "https://oss.sonatype.org/content/repositories/releases/" }
     }
 }