Merge pull request #1213 from hyanwong/svg-x-label

Add `x_label` parameter for the X axis

Author: mergify[bot]

python/CHANGELOG.rst

@@ -4,8 +4,8 @@
 
 **Features**
 
-- SVG visualization now uses red crosses for mutations, and squares for sample nodes
-  (:user:`hyanwong`,:issue:`1155`, :pr:`1182`).
+- SVG visualization now uses red crosses for mutations and squares for sample nodes, and
+  an x-axis label can be set (:user:`hyanwong`,:issue:`1155`, :pr:`1182`, :pr:`1213`).
 
 - Add ``parents`` column to the individual table to allow recording of pedigrees
   (:user:`ivan-krukov`, :user:`benjeffery`, :issue:`852`, :pr:`1125`, :pr:`866`, :pr:`1153`, :pr:`1177` :pr:`1192`).