Changed tracking into to datetime field

- Added moment.js for formatting dates
-

InvenTree/stock/migrations/0003_auto_20180510_1042.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.12 on 2018-05-10 10:42
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stock', '0002_auto_20180430_1218'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='stockitemtracking',
+            name='date',
+            field=models.DateTimeField(auto_now_add=True),
+        ),
+    ]

InvenTree/stock/models.py

@@ -329,7 +329,7 @@ class StockItemTracking(models.Model):
                              related_name='tracking_info')
 
     # Date this entry was created (cannot be edited)
-    date = models.DateField(auto_now_add=True, editable=False)
+    date = models.DateTimeField(auto_now_add=True, editable=False)
 
     # Short-form title for this tracking entry
     title = models.CharField(max_length=250)

InvenTree/stock/templates/stock/item.html

@@ -186,6 +186,15 @@
                 field: 'date',
                 title: 'Date',
                 sortable: true,
+                formatter: function(value, row, index, field) {
+                    var m = moment(value);
+                    if (m.isValid()) {
+                        var html = m.format('dddd MMMM Do YYYY') + '<br>' + m.format('h:mm a');
+                        return html;
+                    }
+
+                    return 'N/A';
+                }
             },
             {
                 field: 'title',