StoreTransaction CSV Export Field Updated

Add the student name
Add the store item name (title)
deleted: don't include this field
item: strip out all but the ID portion
context_type: filter out items with unit_points_reset here
reversible: don't include this field


Please find the new CSV here :
https://drive.google.com/file/d/0B4L5_YAjviTASGxBTVl5bjFOUHM/view?usp=sharing
@dylanjbarth 

in case of gift_item, bundle.data["item"] isn't a tastypie url, right ? As it just shows "gift_item" .
For any other case, i don't think we won't have tastypie url because this data we are getting from StoreTransactionLog model and as per i think , a store transaction is logged when an item is purchased , and the item details which are shown for purchasing are fetched calling that item url. If any case our url is wrong then it would break there itself or won't show the item details.

I am not sure whether i am making sense or not because i don't have clear idea of what's exactly happening.