Modifiche varie

build.gradle

@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.2.30'
+    ext.kotlin_version = '1.2.61'
     repositories {
         jcenter()
         maven {
@@ -11,7 +11,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.3'
+        classpath 'com.android.tools.build:gradle:3.2.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong
@@ -26,6 +26,7 @@ allprojects {
             url 'https://maven.google.com/'
             name 'Google'
         }
+        maven { url 'https://jitpack.io' }
     }
 }