CHANGELOG: add 1.0.0-rc.1 entry

CHANGELOG.md

@@ -1,3 +1,18 @@
+## v1.0.0-rc.1 / 2017-08-02
+
+* [CHANGE] Remove `kube_node_status_ready`, `kube_node_status_out_of_disk`, `kube_node_status_memory_pressure`, `kube_node_status_disk_pressure`, and `kube_node_status_network_unavailable` metrics in favor of one generic `kube_node_status_condition` metric.
+* [CHANGE] Flatten created by label on `kube_pod_info` metric.
+* [FEATURE] Add `kube_pod_start_time` metric.
+* [FEATURE] Add PersistentVolumeClaim metrics.
+* [FEATURE] Add StatefulSet metrics.
+* [FEATURE] Add Job and CronJob metrics.
+* [FEATURE] Add label metrics for deployments.
+* [FEATURE] Add `kube_node_status_disk_pressure` metric.
+* [FEATURE] Add `kube_pod_owner` metrics.
+* [ENHANCEMENT] Add `provider_id` label to `kube_node_info` metric.
+* [BUGFIX] Fix various nil pointer panics.
+
+
 ## v0.5.0 / 2017-05-03
 
 * [FEATURE] Add label metrics for Pods, Nodes and Services.