Update versions and configuration. (#20)

Upgrade to proper gradle-4.2.
Use updated build tools.
Get rid of deprecated sourceCompatibility and targetCompatibility.

Author: Igor Ganapolsky

android-junit5-embedded-runtime/build.gradle

@@ -13,9 +13,6 @@ apply plugin: "maven-publish"
 apply plugin: "com.github.johnrengelman.shadow"
 apply plugin: "com.jfrog.bintray"
 
-sourceCompatibility = JavaVersion.VERSION_1_6
-targetCompatibility = JavaVersion.VERSION_1_6
-
 // ------------------------------------------------------------------------------------------------
 // Dependency Definitions
 // This module exports a "fat JAR" containing embedded JARs from IntelliJ IDEA,

android-junit5/build.gradle

@@ -4,9 +4,6 @@ apply plugin: "maven"
 apply plugin: "maven-publish"
 apply plugin: "com.jfrog.bintray"
 
-sourceCompatibility = JavaVersion.VERSION_1_6
-targetCompatibility = JavaVersion.VERSION_1_6
-
 // ------------------------------------------------------------------------------------------------
 // Test Setup
 //

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,6 @@
-distributionBase = GRADLE_USER_HOME
-distributionPath = wrapper/dists
-zipStoreBase     = GRADLE_USER_HOME
-zipStorePath     = wrapper/dists
-distributionUrl  = https\://services.gradle.org/distributions/gradle-4.2-bin.zip
+#Mon Oct 09 16:59:22 EDT 2017
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.2-all.zip

sample/build.gradle

@@ -1,5 +1,5 @@
 buildscript {
-  ext.kotlinVersion = "1.1.50"
+  ext.kotlinVersion = "1.1.51"
 
   repositories {
     maven { url "https://oss.sonatype.org/content/repositories/snapshots/" }
@@ -39,13 +39,13 @@ android {
     versionName "1.0"
   }
 
-  compileOptions {
-    targetCompatibility JavaVersion.VERSION_1_8
-    sourceCompatibility JavaVersion.VERSION_1_8
-  }
-
   sourceSets {
-    test.java.srcDirs += "src/test/kotlin"
+    test.java.srcDirs += "src/test/kotlin"  
+  }
+  
+  compileOptions {
+    targetCompatibility 1.8
+    sourceCompatibility 1.8
   }
 }