OwnCloud: Update chart to 0.4.1 (#301)

* update OwnCloud image version to 9.1.2-r0

* add trailing backslash to the repository url

* update requirements repository url

stable/owncloud/Chart.yaml

@@ -1,5 +1,5 @@
 name: owncloud
-version: 0.4.0
+version: 0.4.1
 description: A file sharing server that puts the control and security of your own data back into your hands.
 keywords:
 - owncloud

stable/owncloud/requirements.yaml

@@ -1,4 +1,4 @@
 dependencies:
 - name: mariadb
   version: 0.5.2
-  repository: http://storage.googleapis.com/kubernetes-charts
+  repository: https://kubernetes-charts.storage.googleapis.com/

stable/owncloud/values.yaml

@@ -1,7 +1,7 @@
 ## Bitnami ownCloud image version
 ## ref: https://hub.docker.com/r/bitnami/owncloud/tags/
 ##
-image: bitnami/owncloud:9.1.1-r1
+image: bitnami/owncloud:9.1.2-r0
 
 ## Specify a imagePullPolicy
 ## Defaults to 'Always' if image tag is 'latest', else set to 'IfNotPresent'