*Created by: ccober6* <!--- Provide a general summary of the issue in the Title above. If this issue pertains to a particular package in Trilinos, it's worthwhile to start the title with "PackageName: ". --> Several users have had confusion with the name for Integrator::acceptTimeStep() and IntegratorObserver::observeAcceptTimeStep(). To reduce confusion the names will be changed to Integrator::checkTimeStep() and observeAfterCheckTimeStep(). <!--- Note that anything between these delimiters is a comment that will not appear in the issue description once created. Click on the Preview tab to see what everything will look like when you submit. --> <!--- Feel free to delete anything from this template that is not applicable to the issue you are submitting. --> <!--- Replace <teamName> below with the appropriate Trilinos package/team name. --> @trilinos/tempus <!--- Assignees: If you know anyone who should likely tackle this issue, select them from the Assignees drop-down on the right. --> <!--- Lables: Choose any applicable package names from the Labels drop-down on the right. Additionally, choose a label to indicate the type of issue, for instance, bug, build, documentation, enhancement, etc. --> ## Definition of Done - [ ] Change function names. - [ ] Passes tests.