Add release notes

We've enabled the release notes zuul job quite late in the release
cycle, for which reason some of the notes are missing, being added
by this change.

This change also adds a reference to the release notes page on
the main compute-hyperv docs page.

Change-Id: If5c717bad101b55379201a02afe6f88b3cd9345d

doc/source/index.rst

@@ -19,6 +19,9 @@ hosts as OpenStack compute nodes, more specifically:
 * ``nova-compute`` configuration options
 * Troubleshooting and debugging tips & tricks
 
+For release notes, please check out the following `page`__.
+
+__ http://compute-hyperv.readthedocs.io/projects/releasenotes
 
 Contents:
 

releasenotes/notes/instance-evacuate-2c46e63e3a6ae9c4.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    The Hyper-V driver now supports the "instance evacuate" feature.

releasenotes/notes/online-volume-resize-446d58c9f6f340b6.yaml

@@ -0,0 +1,7 @@
+---
+features:
+  - |
+    The Hyper-V driver now supports online volume resize (only applies to
+    iSCSI/FC disks). Warning: this won't work properly with some iSCSI
+    backends (e.g. LVM + tgt), which will drop connected initiators
+    during an online volume resize operation.

releasenotes/notes/update-device-metadata-7204fb0e85bad1e3.yaml

@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    The Hyper-V driver now properly provides instance disk metadata (even for
+    untagged disks), allowing the guests to safely identify disks.