Updated install to work if router and message processors are defined on separate boxes.

tasks/main.yml

diff --git a/tasks/main.yml b/tasks/main.yml
index 32ab6cd..3ad6352 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -21,7 +21,7 @@
   when: opdk_version | version_compare('4.16.05', '>')
 
 - name: Confirm existence of edge-message-processor
-  state:
+  stat:
     path: "{{ apigee_home }}/edge-message-processor"
   register: mp_exists