fixed compilation issue with deprecated setLatestEventInfo in EntryActivity by creating a new Notification instead

used support-v4 NotificationCompat builder for that, did have to upgrade minSdk from 3 to 4 because of that

build.gradle

@@ -2,6 +2,10 @@
 buildscript {
     repositories {
         jcenter()
+        maven {
+            url 'https://maven.google.com/'
+            name 'Google'
+        }
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:2.3.0'
@@ -11,5 +15,9 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        maven {
+            url 'https://maven.google.com/'
+            name 'Google'
+        }
     }
 }