some more cart functionality
Merge branch 'master' of https://github.com/curt-labs/GoAPI

* 'master' of https://github.com/curt-labs/GoAPI:
  adds customer_new/location controller test--partial
  adds customer_new/customer controller test; mods cartReference and CustPricing queries to use cust_ID
  adds benchmark tests for warranty
  adds a couple benchmark tests for vinlookup
  adds some basic benchmark tests for video
  separates customer_content controller test; adds benchmarks
  separates customer_content controller test; adds benchmarks
  adds specific error codes to vin decoder
  adds vin error handling; adds a couple more httptests to cust_new