Change the way post count metadata is stored

We care about the number of “comment” posts, not the number of posts in
total.

ember/app/helpers/human-time.js

@@ -0,0 +1,31 @@
+import Ember from 'ember';
+
+export default Ember.Handlebars.makeBoundHelper(function(time) {
+    var m = moment(time);
+    var datetime = m.format(),
+        full = m.format('LLLL');
+
+    var second = 1e3;
+	var minute = 6e4;
+	var hour = 36e5;
+	var day = 864e5;
+	var week = 6048e5;
+	var ago = null;
+
+	var diff = Math.abs(m.diff(moment()));
+
+	if (diff < 60 * minute) {
+		ago = moment.duration(diff).minutes()+'m ago';
+	} else if (diff < 24 * hour) {
+		ago = moment.duration(diff).hours()+'h ago';
+	} else if (diff < 30 * day) {
+		ago = moment.duration(diff).days()+'d ago';
+	} else if (m.year() == moment().year()) {
+		ago = m.format('D MMM');
+	} else {
+		ago = m.format('MMM \'YY');
+	}
+
+    return new Handlebars.SafeString('<time pubdate datetime="'+datetime+'" title="'+full+'">'+ago+'</time>');
+});
+