change tarball name to ecs.tgz

[#141056747](https://www.pivotaltracker.com/story/show/141056747)

Signed-off-by: Julian Hjortshoj <[email protected]>

Author: Jeff Pak

tile-history.yml

@@ -40,4 +40,5 @@ history:
 - 0.0.38
 - 0.0.39
 - 0.0.40
-version: 0.0.41
+- 0.0.41
+version: 0.0.42

tile.yml

@@ -25,7 +25,7 @@ packages:
 - name: ecs
   type: bosh-release
   label: EMC ECS 3 Node Cluster     # Package name for use in human-readable labels in OpsManager
-  path: resources/ecs.0.tgz
+  path: resources/ecs.tgz
   jobs:
   - name: pcf_ecs_deploy
     instances: 1