Merge pull request #172 from cjermain/pymeasure-update-0.6

PyMeasure version schedule update

Author: takluyver

site.js

@@ -199,9 +199,9 @@ $(document).ready(function (){
       {content: '0.x', start: '2016-07-01', end: '2021-12-16'},
     ],
     'PyMeasure':[
-      {content: '0.2', start: '2015-12-16', end: '2016-04-08'},
-      {content: '0.3', start: '2016-04-08', end: '2016-07-29'},
-      {content: '0.4', start: '2016-07-29', end: '2017-07-29'},
+      {content: '0.4', start: '2016-07-29', end: '2017-10-18'},
+      {content: '0.5', start: '2017-10-18', end: '2019-01-14'},
+      {content: '0.6', start: '2019-01-14', end: '2020-01-01'},
     ],
     'rpy2':[
       {content: '2.8.x', start: '2016-12-21', end:'2018-12-21', py2:true},