Update README to include attribute values
Add working passwords to test users data bag item

Allows one to log in as one of these users locally to test SFTP manually
Add trial-user shared user with write-only uploads folder

Allows for us to give access to trial users to ease supplying us with
test data for trials, closing a security hole.

cc @haizhou
Version bump to v1.5.0
Fix to ensure shared trial username only needs to include "trial"
Version bump to v1.5.1
Remove ehren from notification for further notification frequency tweak and recipient decision
Merge branch 'master' into hai/importer-2
Move rescue block out