Improve Gradle build (#1025)

Update Gradle
$ ./gradlew wrapper --gradle-version 5.6.2

Configure the Gradle Build Scan plugin
Read https://dev.to/jmfayard/the-one-gradle-trick-that-supersedes-all-the-others-5bpg

Add Gradle properties
Read https://dev.to/jmfayard/configuring-gradle-with-gradle-properties-211k

build.gradle

@@ -34,6 +34,7 @@ plugins {
     id 'maven-publish'
     id 'signing'
     id 'net.researchgate.release' version '2.8.0'
+   id("com.gradle.build-scan").version("2.4.2")
 }
 
 // apply plugin: "io.kotest"
@@ -71,3 +72,11 @@ dependencies {
 project(":") {
     publish.enabled = false
 }
+
+
+buildScan {
+   // ./gradlew --scan $TASKNAME
+   // see https://dev.to/jmfayard/the-one-gradle-trick-that-supersedes-all-the-others-5bpg
+   termsOfServiceUrl = "https://gradle.com/terms-of-service"
+   termsOfServiceAgree = "yes"
+}

gradle.properties

@@ -12,6 +12,9 @@ intellijPublishPassword=xx
 #this is the version used by the gradle release plugin
 version=3.4.0
 
-org.gradle.caching=true
 sandbox = .
 
+# See https://dev.to/jmfayard/configuring-gradle-with-gradle-properties-211k
+org.gradle.caching=true
+org.gradle.parallel=true
+kotlin.code.style=official

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists