Add issame functions for boxarray and distromap. Add "hdf5" to dep.py

[dunhamsj]

Summary

Adding two functions: one to check whether two boxarrays are the same or not; the other to check whether to distromaps are the same or not. Also, adding "hdf5" to dep.py to suppress warnings.

Additional background

Checklist

The proposed changes:

• [ ] fix a bug or incorrect behavior in AMReX
• [x] add new capabilities to AMReX
• [ ] changes answers in the test suite to more than roundoff level
• [ ] are likely to significantly affect the results of downstream AMReX users
• [ ] include documentation in the code and/or rst files, if appropriate

[dunhamsj]

Sorry there are 146 commits, I didn't know how to squash them. There are only minor changes to the code though.