Merge pull request #520 from fahadhatib/develop

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Merge pull request #521 from fahadhatib/develop

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Merge pull request #522 from fahadhatib/develop

Fix typo in sql
Adds gettext() to item type in CustomerAllocations.php. Reported by Harald.
New picking list and order achnowledgement functionality from Andrew Galuski
Merge pull request #523 from timschofield/develop

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