Update kotlin version

Author: Bogdan Evtushenko

build.gradle

@@ -1,11 +1,11 @@
 buildscript {
-  ext.kotlin_version = '1.2.61'
+  ext.kotlin_version = '1.3.10'
   repositories {
         google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.4'
+        classpath 'com.android.tools.build:gradle:3.4.1'
         classpath 'com.neenbedankt.gradle.plugins:android-apt:1.4'
         classpath 'com.getkeepsafe.dexcount:dexcount-gradle-plugin:0.6.2'
       classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Wed Sep 05 21:01:23 CEST 2018
+#Mon Jul 08 17:10:21 EEST 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-all.zip