Change "About _ remaining" to "Estimated time remaining: _"
Change "About _ remaining" to "Estimated time remaining: _"

To avoid "About a few seconds remaining"

Reported in https://github.com/OpenSourcePolicyCenter/PolicyBrain/issues/850
OpenSourcePolicyCenter/PolicyBrain,OpenSourcePolicyCenter/PolicyBrain,OpenSourcePolicyCenter/webapp-public,OpenSourcePolicyCenter/PolicyBrain,OpenSourcePolicyCenter/webapp-public,OpenSourcePolicyCenter/webapp-public,OpenSourcePolicyCenter/webapp-public,OpenSourcePolicyCenter/PolicyBrain