Helm chart bugfixes + end to end test bugfixes (#293)

Helm Chart fixes: bump chart version, parameterize image pull policy, pass poolmgr url to router.

E2E test: add a simple hello world test. Make test runner dump fission logs after test.

charts/fission-core/values.yaml

@@ -10,13 +10,16 @@ serviceType: LoadBalancer
 image: fission/fission-bundle
 
 ## Fission image version
-imageTag: alpha20170124
+imageTag: v0.2.0-20170822
+
+## Image pull policy
+pullPolicy: ifNotPresent
 
 ## Fission fetcher repository
 fetcherImage: fission/fetcher
 
 ## Fission fetcher image version
-fetcherImageTag: latest
+fetcherImageTag: v0.2.0-20170822
 
 ## Port at which Fission controller service should be exposed
 controllerPort: 31313
@@ -29,4 +32,4 @@ routerPort: 31314
 functionNamespace: fission-function
 
 ## Set up openshift RBAC rule
-openshift: false
+openshift: false