Upgrade Kotlin and Gradle

Kotlin 1.1.51
Gradle 4.2.1

Author: Sergey Mashkov

build.gradle

@@ -3,7 +3,7 @@ version = '0.0.1-SNAPSHOT'
 
 subprojects { p ->
     p.buildscript {
-        ext.kotlin_version = "1.1.4-3"
+        ext.kotlin_version = "1.1.51"
 
         repositories {
             mavenLocal()
@@ -13,13 +13,13 @@ subprojects { p ->
 
         dependencies {
             classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-            classpath "org.jetbrains.kotlin:kotlin-frontend-plugin:0.0.22"
+            classpath "org.jetbrains.kotlin:kotlin-frontend-plugin:0.0.23"
         }
     }
 }
 
 subprojects {
-    ext.kotlin_version = "1.1.4-3"
+    ext.kotlin_version = "1.1.51"
     ext.html_version = "0.6.4"
     ext.ktor_version = "0.3.0"
     ext.squash_version = "0.2.2"

gradle/wrapper/gradle-wrapper.jar

@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.2.1-bin.zip