Merge branch 'releases/metafacture-core-5.1.0' of https://github.com/metafacture/metafacture-core

Author: dr0i

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.0.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.0-all.zip