Upgrade BuilToolsVersion to v3.0.1

Author: JessYanCoding

build.gradle

@@ -5,8 +5,8 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.3'
-        classpath 'com.novoda:bintray-release:0.4.0'
+        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.novoda:bintray-release:0.8.0'
 
     }
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Mon Jul 17 10:56:19 CST 2017
+#Wed Feb 28 16:18:49 CST 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip