MISC-32 Added support for contribution_id to lineitem table
MISC-32 Added test for contribution_id
MISC-32 Added comment from xml/schema
CRM-14197 fill contribution_id data & fix entity references on membership data
CRM-14197 set entity_id & entity_table to reflect membership on membership transactions
CRM-14197 alter index to include contribution id
Merge pull request #3240 from eileenmcnaughton/CRM-14197

CRM-14197 store contribution id in line item table for data accessibility