lowered spree core version for lesser conflict
Merge branch 'fix/api-compatibility'

* fix/api-compatibility:
  lowered spree core version for lesser conflict
  put additional test expectation for the auto create users for new orders
  add support for campaign conversion for shop using api controller creates a user into mailchimp when an order is sync
use the one from mail chimp or fall back to the orders email
comment out code that auto creates user when syncing order
use mc_eid and mc_cid from session var if it exists
Merge pull request #38 from mickeyren/fix/remove-create-user

Fix/remove create user