Gradle fix

Author: Yegorisa

build.gradle

@@ -1,19 +1,18 @@
-group 'com.github.ClusterWS'
 version '1.1.0'
 
 apply plugin: 'java'
 apply plugin: 'maven'
 
 sourceCompatibility = 1.7
 
-task wrapper(type: Wrapper) {
-    gradleVersion = '2.9'
-}
+group 'com.github.ClusterWS'
+
 
 repositories {
     maven {
-        url("https://plugins.gradle.org/m2/")
+        url("https://jitpack.io" )
     }
+    mavenCentral()
 }
 
 dependencies {
@@ -24,9 +23,18 @@ dependencies {
 
 }
 
-allprojects {
-    repositories {
-        jcenter()
-    }
+task sourcesJar(type: Jar, dependsOn: classes) {
+    classifier = 'sources'
+    from sourceSets.main.allSource
+}
+
+task javadocJar(type: Jar, dependsOn: javadoc) {
+    classifier = 'javadoc'
+    from javadoc.destinationDir
+}
+
+artifacts {
+    archives sourcesJar
+    archives javadocJar
 }