d Update release notes for fix of Ninja builds - #171

Co-Authored-By: Llewellyn Falco <isidore@users.noreply.github.com>

Author: claremacrae

build/relnotes_x.y.z.md

@@ -5,6 +5,7 @@
 * **New features**
     * None
 * **Bug fixes**
-    * None
+    * Ninja builds now work when inside source tree. (#171)
+        * The entire [Misconfigured Builds](/doc/TroubleshootingMisconfiguredBuild.md#top) page of workarounds is no needed, but is retained for those using older releases.
 * **Other changes**
     * None

doc/Features.md

@@ -8,6 +8,7 @@
 ## Contents
 
   * [v.x.y.z](#vxyz)
+    * [Ninja builds work when inside source tree](#ninja-builds-work-when-inside-source-tree)
   * [v.10.7.0](#v1070)
     * [CombinationApprovals header](#combinationapprovals-header)
   * [v.10.6.0](#v1060)
@@ -72,6 +73,10 @@
 
 ## v.x.y.z
 
+### Ninja builds work when inside source tree
+
+The entire [Misconfigured Builds](/doc/TroubleshootingMisconfiguredBuild.md#top) page of workarounds is no needed, but is retained for those using older releases.
+
 ## v.10.7.0
 
 ### CombinationApprovals header