Feature Request - Allow admin users to reset other user passwords

[patricklindsay]

Admin users should be able to send reset instructions to other users if they forget their password.

Current workaround is to follow reset password instructions on login screen

In future could also allow admin users to re-send invitation to new (pending - https://github.com/yamasolutions/integral/issues/22 ) users This is especially useful when on-boarding a new user where originally their email address was entering incorrectly.