Attemping to refacotr code to reduce duplication

created common super class for NewsStand activities

app/src/main/java/edu/umd/umiacs/newsstand/NewsStandUtils.java

+package edu.umd.umiacs.newsstand;
+
+public class NewsStandUtils {
+    private NewsStandUtils(){}
+
+
+}

build.gradle

@@ -6,7 +6,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.3.0'
+        classpath 'com.android.tools.build:gradle:2.1.2'
     }
 }
 

gradle/wrapper/gradle-wrapper.properties

-#Wed Apr 10 15:27:10 PDT 2013
+#Fri Jun 08 11:24:26 EDT 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.2.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.10-all.zip