Tpetra: Fix #4827; make more Tpetra classes follow Rule of Five

Created by: mhoemmen

@trilinos/tpetra

Description

1. Fix #4827 (closed).
2. Make more Tpetra classes follow the Rule of Five (C++ Core Guidelines C.21).
3. Clean up FEMultiVector code, syntax, and documentation.

Related Issues

• Closes #4827 (closed)
• Related to #4196, #3946, #3574