Gradle changes

Author: Yegorisa

build.gradle

@@ -6,13 +6,14 @@ apply plugin: 'maven'
 
 sourceCompatibility = 1.7
 
+task wrapper(type: Wrapper) {
+    gradleVersion = '2.9'
+}
+
 repositories {
     maven {
         url("https://plugins.gradle.org/m2/")
     }
-    repositories {
-        jcenter()
-    }
 }
 
 dependencies {
@@ -23,3 +24,9 @@ dependencies {
 
 }
 
+allprojects {
+    repositories {
+        jcenter()
+    }
+}
+