refactoring: Breakdown fission-all chart into components and removed fission-core (#2224)

* Sync a few files from fission-all to fission-core chart
* Change values in fission-all chart
We keep the following components by default disabled now, which were enabled by default earlier.

1. nats - Fission Nats integration
2. influxdb - Influxdb and logger component
3. prometheus - Prometheus disabled by default
4. canaryDeployment - Disabled by default

This change reduces the need for a fission-core chart and we can configure
values of fission-all so that it can provide the behaviour of fission-all
as well as fission-core.

* Remove fission-core chart
* Add README in the fission-all chart
* Rename clusterrolebinding fission-crd to fission-cr-admin
* Add icon and sources in helm chart

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

charts/fission-all/templates/fission-ui/deployment.yaml

@@ -0,0 +1,29 @@
+{{- if .Values.fissionUiImage }}
+#
+# This is commented out until fission-ui allows configuring the
+# namespace. Right now it just crashes if Release.Namespace !=
+# "fission".
+#
+#---
+#apiVersion: apps/v1
+#kind: Deployment
+#metadata:
+#  name: fission-ui
+#  labels:
+#    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+#spec:
+#  replicas: 1
+#  template:
+#    metadata:
+#      labels:
+#        svc: fission-ui
+#    spec:
+#      containers:
+#      - name: nginx
+#        image: {{ .Values.repository }}/{{ .Values.fissionUiImage }}
+#        imagePullPolicy: {{ .Values.pullPolicy }}
+#      - name: kubectl-proxy
+#        image: {{ .Values.repository }}/lachlanevenson/k8s-kubectl
+#        args: ["proxy", "--port", "8001", "--address", "127.0.0.1"]
+#      serviceAccountName: fission-svc
+{{- end}}