Fixed another typo for en_US, hopefully this time my pull request will get merged
Merge pull request #1179 from chuckharmston/915793-collection_permissions

Filter on permissions in Collections API (bug 915793)
Don't raise validation error for non-submission of payment account (bug 920420)
Merge pull request #1183 from muffinresearch/fix-validation-on-pay-account-non-owner

Don't raise validation error for non-submission of payment account (bug 920420)
Merge pull request #1182 from alexmiog/alexmiog_en

Fixed another typo for en_US
use disable_refs (bug 919148)
Merge pull request #1181 from andymckay/919148

use disable_refs (bug 919148)
explicitly cache counts for collection listings (bug 912484)
Add header to API responses indicating whether the request was pinned to the master database