[2.1.x] Refs #30175 -- Added release notes for 2.1.7, 2.0.12, and 1.11.20 releases.

Backport of b39bd0aa6d5667d6bbcf7d349a1035c676e3f972 from master

docs/releases/1.11.20.txt

@@ -0,0 +1,12 @@
+============================
+Django 1.11.20 release notes
+============================
+
+*February 11, 2019*
+
+Django 1.11.20 fixes a packaging error in 1.11.19.
+
+Bugfixes
+========
+
+* Corrected packaging error from 1.11.19 (:ticket:`30175`).

docs/releases/2.0.12.txt

@@ -0,0 +1,12 @@
+===========================
+Django 2.0.12 release notes
+===========================
+
+*February 11, 2019*
+
+Django 2.0.12 fixes a packaging error in 2.0.11.
+
+Bugfixes
+========
+
+* Corrected packaging error from 2.0.11 (:ticket:`30175`).

docs/releases/2.1.7.txt

@@ -0,0 +1,12 @@
+==========================
+Django 2.1.7 release notes
+==========================
+
+*February 11, 2019*
+
+Django 2.1.7 fixes a packaging error in 2.1.6.
+
+Bugfixes
+========
+
+* Corrected packaging error from 2.1.6 (:ticket:`30175`).

docs/releases/index.txt

@@ -25,6 +25,7 @@ versions of the documentation contain the release notes for any later releases.
 .. toctree::
    :maxdepth: 1
 
+   2.1.7
    2.1.6
    2.1.5
    2.1.4
@@ -38,6 +39,7 @@ versions of the documentation contain the release notes for any later releases.
 .. toctree::
    :maxdepth: 1
 
+   2.0.12
    2.0.11
    2.0.10
    2.0.9
@@ -56,6 +58,7 @@ versions of the documentation contain the release notes for any later releases.
 .. toctree::
    :maxdepth: 1
 
+   1.11.20
    1.11.19
    1.11.18
    1.11.17