Added stub release notes for 1.11.7.

docs/releases/1.11.7.txt

@@ -0,0 +1,12 @@
+===========================
+Django 1.11.7 release notes
+===========================
+
+*Expected November 1, 2017*
+
+Django 1.11.7 fixes several bugs in 1.11.6.
+
+Bugfixes
+========
+
+* ...

docs/releases/index.txt

@@ -39,6 +39,7 @@ versions of the documentation contain the release notes for any later releases.
 .. toctree::
    :maxdepth: 1
 
+   1.11.7
    1.11.6
    1.11.5
    1.11.4