Create accounts for new users

[dgarijo]

Create 6 accounts for the new mint evaluation.

Users should not use old accounts because they would have access to old threads and tasks.

[dgarijo]

We need a total of 6 accounts (could be from 10 - 16)

[hvarg]

accounts from eval_user10@isi.edu -> eval_user16@isi.edu

[hvarg]

Created accounts from eval_user10@isi.edu to eval_user18@isi.edu