Add BuildConfig class

Author: hzalaz

lib/src/main/java/com/auth0/Auth0.java

@@ -38,15 +38,6 @@
  */
 public class Auth0 {
 
-    /**
-     * Version of auth0-java
-     */
-    public static final String VERSION = "1.0.0";
-    /**
-     * Name of the library auth0-java
-     */
-    public static final String NAME = "auth0-java";
-
     private static final String AUTH0_US_CDN_URL = "https://cdn.auth0.com";
     private static final String DOT_AUTH0_DOT_COM = ".auth0.com";
 
@@ -89,7 +80,7 @@ public Auth0(String clientId, String clientSecret, String domain, String configu
         this.domainUrl = ensureUrlString(domain);
         this.configurationUrl = resolveConfiguration(configurationDomain, this.domainUrl);
         this.telemetry = new BaseTelemetry();
-        this.telemetry.usingLibrary(Auth0.NAME, Auth0.VERSION);
+        this.telemetry.usingLibrary(BuildConfig.NAME, BuildConfig.VERSION);
     }
 
     /**

lib/src/main/java/com/auth0/BuildConfig.java

@@ -0,0 +1,16 @@
+package com.auth0;
+
+abstract class BuildConfig {
+
+    private BuildConfig() {};
+
+    /**
+     * Version of auth0-java
+     */
+    public static final String VERSION = "1.0.0";
+    /**
+     * Name of the library auth0-java
+     */
+    public static final String NAME = "auth0-java";
+
+}