Order IDs from generate_order_id are not unique

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The generate_order_id function in orderservice\ordering\core.py does not 
generate unique order IDs. For example, the order IDs for orders placed at 
11:00:00 and 1:10:00 match:

>>> import datetime
>>>
>>> a = datetime.datetime(2014, 4, 23, 11, 0, 0)
>>> '%s%s%s-%s%s%s'%(a.month, a.day, a.year, a.hour, a.minute, a.second)
'4232014-1100'
>>>
>>> b = datetime.datetime(2014, 4, 23, 1, 10, 0)
>>> '%s%s%s-%s%s%s'%(b.month, b.day, b.year, b.hour, b.minute, b.second)
'4232014-1100'

The above is from Python 2.7.2 on Windows. To fix the problem the month, day, 
hour, minute, and second strings should be zero padded so the order ID is of 
consistent length.

Original issue reported on code.google.com by azvol...@conservation.org on 25 Apr 2014 at 3:01

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Original comment by davehil...@gmail.com on 25 Apr 2014 at 4:40

• Changed state: Accepted

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Milestone-2.4.0

Original comment by davehil...@gmail.com on 9 May 2014 at 6:33

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Original comment by davehil...@gmail.com on 9 May 2014 at 6:33

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Original comment by davehil...@gmail.com on 9 May 2014 at 6:33

• Added labels: Milestone-2.4.0

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Implemented as part of 2.4.0

Original comment by davehil...@gmail.com on 23 Jun 2014 at 3:00

• Changed state: Fixed

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verified

Original comment by davehil...@gmail.com on 31 Jul 2014 at 6:44

• Changed state: Verified