updated grade version and build tools

Author: davidtruong

app/build.gradle

@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 23
-    buildToolsVersion "23.0.2"
+    buildToolsVersion '26.0.2'
 
     defaultConfig {
         applicationId "iterable.com.androidsdk"

build.gradle

@@ -4,9 +4,9 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.0'
+        classpath 'com.android.tools.build:gradle:3.0.0'
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.4'
-        classpath "com.github.dcendents:android-maven-gradle-plugin:1.3"
+        classpath "com.github.dcendents:android-maven-gradle-plugin:1.5"
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Wed Jun 01 13:16:14 PDT 2016
+#Fri Nov 10 14:44:14 EST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.10-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip

iterableapi/build.gradle

@@ -2,7 +2,7 @@ apply plugin: 'com.android.library'
 
 android {
     compileSdkVersion 23
-    buildToolsVersion "23.0.2"
+    buildToolsVersion '26.0.2'
 
     defaultConfig {
         minSdkVersion 15