Adding sample update job.

test/update_hello_world.yaml

@@ -0,0 +1,28 @@
+---
+jobConfig:
+  environment: "prod"
+  role: "vagrant"
+  name: "hello_world"
+  cpu: 0.09
+  ram: 64
+  disk: 128
+  instances: 1
+  maxFailures: 1
+  thermos:
+    - name: "bootstrap"
+      cmd: "echo bootstrapping"
+    - name: "hello_gorealis"
+      cmd: "while true; do echo hello world from gorealis; sleep 10; done"
+updateSettings:
+  maxPerInstanceFailures: 1
+  maxFailedInstances: 1
+  minTimeInRunning: 1m
+  rollbackOnFailure: true
+  instanceRanges:
+    - first: 1
+      last: 4
+  pulseTimeout: 1m
+  strategy:
+    batch:
+      groupSize: 2
+      autoPause: false