Added RxJava & RetroLambda.

Author: Chris Bellew

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\://downloads.gradle.org/distributions/gradle-2.10-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.12-all.zip

mobile/build.gradle

@@ -1,4 +1,12 @@
-apply plugin: 'com.android.application'
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath 'me.tatarka:gradle-retrolambda:3.2.5'
+    }
+}
 
 repositories {
     jcenter()
@@ -10,6 +18,9 @@ repositories {
     }
 }
 
+apply plugin: 'com.android.application'
+apply plugin: 'me.tatarka.retrolambda'
+
 configurations {
     compile.exclude group: 'stax'
     compile.exclude group: 'xpp3'
@@ -25,6 +36,13 @@ android {
         targetSdkVersion 19
         multiDexEnabled false
     }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    retrolambda {
+        jdk "/Library/Java/JavaVirtualMachines/jdk1.8.0_77.jdk/Contents/Home"
+    }
     dexOptions {
         preDexLibraries = false
         incremental false
@@ -129,4 +147,5 @@ dependencies {
     compile ('com.github.worker8:tourguide:1.0.17-SNAPSHOT@aar'){
         transitive=true
     }
+    compile 'io.reactivex:rxjava:1.1.2'
 }