bring back nebula to see if it resolves deployment issue

Author: thomasnield

build.gradle

@@ -1,7 +1,10 @@
-repositories {
-    mavenCentral()
+buildscript {
+    repositories { jcenter() }
 }
 
+plugins {
+    id 'nebula.rxjava-project' version '3.0.0'
+}
 apply plugin: 'java'
 
 task wrapper(type: Wrapper) {
@@ -13,7 +16,7 @@ sourceCompatibility = JavaVersion.VERSION_1_8
 targetCompatibility = JavaVersion.VERSION_1_8
 
 dependencies {
-    compile 'io.reactivex.rxjava2:rxjava:2.0.+'
+    compile 'io.reactivex.rxjava2:rxjava:2.0.6'
     testCompile 'junit:junit-dep:4.+'
     testCompile 'org.mockito:mockito-core:1.8.5'
 }