MNT: re-expose metadataStore transactions.
MNT: forgotten import.
MNT: fix bug.
MNT: fix AD attribute names.


Repair generated names and account for numpy's row-major attribute.
MNT: change object representation.


Affects ipython interactivity et al.
MNT: update 23id example config with m1a, pgm, and simdet instances.
Merge branch 'master' of https://github.com/NSLS-II/ophyd