Revert "Refactoring the field code for lsst/base_tasks.py (#7)"
Revert "Refactoring the field code for lsst/base_tasks.py (#7)"

This reverts commit a23320a39381066c35e7ad338bd2ea0aff04bc3c.

Conflicts:
	stile/lsst/base_tasks.py

msimet/Stile,msimet/Stile