[VOL-5545] Update voltha docs

- release notes for VOLTHA versions 2.6 to 2.15 with new Jira links and adjust release schedule details
- update old links
- remove ONF references and links
- update e-mail links
- update copright notices

Change-Id: Id6be18986a8f52f2dfcc07e2b0d2efcb0ae1c0e4
Signed-off-by: serkant.uluderya <serkant.uluderya@netsia.com>
diff --git a/release_notes/voltha_2.11.rst b/release_notes/voltha_2.11.rst
index f689eeb..d3199ac 100644
--- a/release_notes/voltha_2.11.rst
+++ b/release_notes/voltha_2.11.rst
@@ -91,8 +91,8 @@
 Certification Program
 ---------------------
 
-Thanks to the Continuous Certification program at ONF we can also ensure
-that the following ONF member products are compatible with the VOLTHA 2.11
+Thanks to the Continuous Certification program at LF BB we can also ensure
+that the following LF BB member products are compatible with the VOLTHA 2.11
 release:
 
 - Edgecore ASGVolt64 GPON OLT
@@ -104,7 +104,7 @@
 Jira stories
 ------------
 A full list of stories and bugs completed can be found under the
-`VOLTHA 2.11 <https://lf-broadband.atlassian.net/projects/VOL/versions/12500>`_ (`formatted <https://lf-broadband.atlassian.net/secure/ReleaseNote.jspa?projectId=10106&version=12500>`_) release page in Jira.
+`VOLTHA 2.11 <https://lf-broadband.atlassian.net/projects/VOL/versions/10013/tab/release-report-all-issues>`_ release page in Jira.
 
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