Updated Android Gradle Plugin, Gradle & Android Support Library to latest versions

Author: Piotr Zawadzki

build.gradle

@@ -3,7 +3,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.3'
+        classpath 'com.android.tools.build:gradle:2.3.0'
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.4'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:1.4.1'
 
@@ -23,7 +23,7 @@ configure(allprojects) {
         androidTargetSdkVersion             = 25
         androidCompileSdkVersion            = 25
         androidBuildToolsVersion            = "25.0.2"
-        androidSupportLibraryVersion        = "25.1.1"
+        androidSupportLibraryVersion        = "25.2.0"
 
         /* Sample only */
         butterknifeVersion                  = "7.0.1"

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip