Add snapshot controller to helm (openebs#1646)

* sample yaml to creaet snap and clone for percona pvc

Signed-off-by: kmova <kiran.mova@openebs.io>

* rename snapshot controller to operator

Signed-off-by: kmova <kiran.mova@openebs.io>

* add snapshot operator yaml files

Signed-off-by: kmova <kiran.mova@openebs.io>

* Incorporate review comments and update version tags

Signed-off-by: kmova <kiran.mova@openebs.io>

* Update the tags to 0.6.0-RC4

Signed-off-by: kmova <kiran.mova@openebs.io>

* Update readme with 0.6.0-RC4

Signed-off-by: kmova <kiran.mova@openebs.io>

* Update with 0.6.0-RC5 tags

Signed-off-by: kmova <kiran.mova@openebs.io>

* Update with 0.6

Signed-off-by: kmova <kiran.mova@openebs.io>

Merge pull request openebs#1485 from ksatchit/xfs_release

Include latest stable openebs images (0.5.4) in helm defaults and K8s operator spec

update the permissions on maya-operator

Signed-off-by: kmova <kiran.mova@openebs.io>

Merge pull request openebs#1218 from AmitKumarDas/1184-operator-v0.5

Adds ENV variables to connect to K8s APIs

Merge pull request openebs#1107 from mahebbar/create-openebs-multinod…

…e-centos7-openshift-#1104

Add OpenShift procedure

Merge pull request openebs#967 from kmova/master

update the yamls to 0.5.0 containers

update openebs-operator with 0.4.0 release images

Merge pull request openebs#144 from ksatchit/master

PR#104 Improvements to Ansible based CI framework

Specify 2 CPU for minion