Standardize function names and variable ordering for sensors

[awickert]

Names, such as: what_it_does__part_manufacturer_name_or_code Variables, such as ([pins],[parameters],[flags])

Better to do this before too many of our loggers end up in use; we have more agility before we gain inertia!

[awickert]

From #24:

Suggestion:

1. Pin numbers
2. Constants
3. Flags

... not sure if this covers all use cases.