Update kotlin and coroutines dependencies

gradle/kotlin.gradle

@@ -1 +1,3 @@
-kotlin { experimental { coroutines 'enable' } }
+kotlin {
+    
+}

gradle/properties.gradle

@@ -1,6 +1,6 @@
 ext {
-    kotlinVersion = '1.2.60'
-    kotlinxCoroutinesVersion = '0.24.0'
+    kotlinVersion = '1.3.40'
+    kotlinxCoroutinesVersion = '1.3.0-M2'
     junitVersion = '4.12'
     powermockVersion = '1.6.4'
     bouncycastleVersion = '1.54'
@@ -16,5 +16,5 @@ ext {
     junitJupiterVersion = '5.1.0'
     mockkVersion = '1.7.15'
     assertkVersion = '0.9'
-    detektVersion = '1.0.0.RC8'
+    detektVersion = '1.0.0-RC16'
 }