Upgrade to gradle 4.4

Updated mockito to 2.13.0

Author: sinwe

build.gradle

@@ -33,7 +33,7 @@ dependencies {
     testCompile "org.scalatest:scalatest_%%:3.0.3"
     testRuntime "org.pegdown:pegdown:1.6.0"
     testCompile group: 'io.projectreactor', name: 'reactor-test', version: "$reactorVersion"
-    testCompile 'org.mockito:mockito-core:2.12.0'
+    testCompile 'org.mockito:mockito-core:2.13.0'
 
     scoverage "org.scoverage:scalac-scoverage-plugin_%%:$scoverageVersion", "org.scoverage:scalac-scoverage-runtime_%%:$scoverageVersion"
 }
@@ -152,4 +152,4 @@ test {
 
 testScoverage {
     maxParallelForks = 1
-}
+}

gradle/wrapper/gradle-wrapper.jar

@@ -1,6 +1,5 @@
-#Fri Nov 24 22:43:51 SGT 2017
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-bin.zip
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.3.1-all.zip
+zipStoreBase=GRADLE_USER_HOME