Minor tweak to date

Author: astrofrog

site.js

@@ -139,8 +139,8 @@ $(document).ready(function (){
     'Astropy':[
       {content: '1.0 LTS', start: '2015-02-19', end: '2017-06-01', py2:true},
       {content: '1.1', start: '2015-12-11', end: '2016-06-23', py2:true},
-      {content: '1.2', start: '2016-06-23', end: '2016-12-01', py2:true},
-      {content: '1.3', start: '2016-12-01', end: '2017-06-01', py2:true},
+      {content: '1.2', start: '2016-06-23', end: '2016-12-16', py2:true},
+      {content: '1.3', start: '2016-12-16', end: '2017-06-01', py2:true},
       {content: '2.0 LTS', start: '2017-06-01', end: '2019-12-31', py2:true},
       {content: '3.0', start: '2017-12-01', end: '2018-06-01'},
       {content: '3.1', start: '2018-06-01', end: '2018-12-01'},