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/misc-functions/clusterrole.yaml

@@ -0,0 +1,33 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: secret-configmap-getter
+rules:
+  - apiGroups:
+      - "*"
+    resources:
+      - secrets
+      - configmaps
+    verbs:
+      - get
+      - watch
+      - list
+
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: package-getter
+rules:
+  - apiGroups:
+      - "*"
+    resources:
+      - packages
+    verbs:
+      - "*"
+  - apiGroups:
+      - rbac.authorization.k8s.io
+    resources:
+      - rolebindings
+    verbs:
+      - "*"