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.

test/tests/test_node_hello_http.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+set -euo pipefail
+
+ROOT=$(dirname $0)/../..
+
+fn=nodejs-hello-$(date +%N)
+
+# Create a hello world function in nodejs, test it with an http trigger
+echo "Pre-test cleanup"
+fission env delete --name nodejs || true
+
+echo "Creating nodejs env"
+fission env create --name nodejs --image fission/node-env
+trap "fission env delete --name nodejs" EXIT
+
+echo "Creating function"
+fission fn create --name $fn --env nodejs --code $ROOT/examples/nodejs/hello.js
+trap "fission fn delete --name $fn" EXIT
+
+echo "Creating route"
+fission route create --function $fn --url /$fn --method GET
+
+echo "Waiting for router to catch up"
+sleep 3
+
+echo "Doing an HTTP GET on the function's route"
+response=$(curl http://$FISSION_ROUTER/$fn)
+
+echo "Checking for valid response"
+echo $response | grep -i hello
+
+# crappy cleanup, improve this later
+kubectl get httptrigger -o name | tail -1 | cut -f2 -d'/' | xargs kubectl delete httptrigger
+
+echo "All done."