Make Builder static

Author: Andre601

build.gradle

@@ -46,8 +46,8 @@ artifacts{
 }
 
 bintray{
-    user = property('user')
-    key = property('key')
+    user = System.getenv('BintrayUser')
+    key = System.getenv('BintrayKey')
     publications = ['JavaBotBlockAPIRelease']
     pkg{
         repo = 'maven'

src/main/java/com/andre601/javabotblockapi/BotBlockAPI.java

@@ -111,7 +111,7 @@ int getUpdateInterval(){
     /**
      * Builder class to create an instance of {@link com.andre601.javabotblockapi.BotBlockAPI BotBlockAPI}
      */
-    public class Builder{
+    public static class Builder{
         private Map<String, String> authTokens = new HashMap<>();
 
         private int updateInterval = 30;