Adding VOLTHA 2.2 release notes to the documentation

Renamed files to use underscore delimiters, was mixed before

Fixed a few spelling/formatting issues

Change-Id: I4d66ff64c2e7488b1a77be9535cf3398d8a2e2ed
diff --git a/dict.txt b/dict.txt
index faa2c0a..c4e3a6d 100644
--- a/dict.txt
+++ b/dict.txt
@@ -28,6 +28,7 @@
 amd
 app
 apps
+asfvolt
 auth
 autocomplete
 backhaul
@@ -70,6 +71,7 @@
 oper
 org
 patchset
+patchsets
 poweron
 ppa
 preprovision
@@ -86,6 +88,7 @@
 sadis
 signaldegrade
 src
+symlink
 toolset
 vendored
 virtualenv
@@ -94,5 +97,7 @@
 voltha
 wiki
 wireshark
+workflow
+Workflows
 xDSL
 zookeeper