chore(*): gradle v5.3.1

Author: bmaslakov

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Sat Mar 04 12:19:56 MSK 2017
+#Sun Apr 07 20:33:30 MSK 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.3.1-bin.zip