VOL-4890 - VOLTHA 2.11 release notes page

VOL-4840 - v2.11 documentation

howto/release/index.rst
-----------------------
  o Relocate list of legacy release note links from the left margin main
    index into release_notes/index.html to condense the index.

overview/release_process.rst
----------------------------
  o Misc cleanups & edits: change v2.10 -> v2.11.

release_notes/voltha_2.11.rst
-----------------------------
  o Add Mahir(s) v2.11 release notes wiki to the document.
  o Component name and version expanded into a table that includes links to gerrit and github (wip).
  o Removed agent packages section from v2.10.

Change-Id: I79b35f2bc6aca51567e78f92285904cac7696f4b
diff --git a/overview/release_process.rst b/overview/release_process.rst
index 5bc12b1..37b84cb 100644
--- a/overview/release_process.rst
+++ b/overview/release_process.rst
@@ -28,7 +28,7 @@
 each component repo's VERSION file should have it's minor version increased in master. (ex: 1.1.X to 1.2.0-dev,
 so future 1.1.X+1 component release can easily be created for the released VOLTHA version).
 
-The same should be done on Helm charts in the chart repos post release,but the versions there shouldn't include a
+The same should be done on Helm charts in the chart repos post release, but the versions there shouldn't include a
 -dev suffix because chart publishing requires that every new chart version be unique and using un-suffixed SemVer is a
 better release numbering pattern.
 
@@ -204,7 +204,7 @@
 If a fix is needed to the components/containers that are included by the helm charts:
 
 - Develop a fix to the issue on the master branch, get it approved after passing master tests.
-- Manually cherry-pick to the voltha-X.Y branch of the component (create one fi needed)
+- Manually cherry-pick to the voltha-X.Y branch of the component (create one if needed)
 - incrementing the patch version in the VERSION file,
 - test with the voltha-X.Y version of voltha-system-tests and helm charts.
 - Update helm charts and go through the helm chart update process above.