Upgrade to Gradle 5.3.

Required updating gradle-clover-plugin for compatibility.

build.gradle

@@ -4,7 +4,7 @@ buildscript {
     }
 
     dependencies {
-        classpath group: 'com.bmuschko', name: 'gradle-clover-plugin', version: '2.2.1'
+        classpath group: 'com.bmuschko', name: 'gradle-clover-plugin', version: '2.2.2'
         classpath group: 'com.github.ben-manes', name: 'gradle-versions-plugin', version: '0.20.0'
         classpath group: 'me.champeau.gradle', name: 'jmh-gradle-plugin', version: '0.4.8'
         classpath group: 'org.owasp', name: 'dependency-check-gradle', version: '4.0.0.1'
@@ -157,4 +157,4 @@ subprojects {
         }
     }
 
-}
+}

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -28,7 +28,7 @@ APP_NAME="Gradle"
 APP_BASE_NAME=`basename "$0"`
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
+DEFAULT_JVM_OPTS='"-Xmx64m"'
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD="maximum"

gradlew.bat

@@ -14,7 +14,7 @@ set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
 @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS=
+set DEFAULT_JVM_OPTS="-Xmx64m"
 
 @rem Find java.exe
 if defined JAVA_HOME goto findJavaFromJavaHome