Starting migration
oops
Can work with from_storage of old and new
add verbose migration messages
add eq / neq methods for fields; reload fields on attr access
make validators comparable
examples for migration
update examples
Merge branch 'feature/migration' of https://github.com/CenterForOpenScience/modular-odm into feature/migration

Conflicts:
	modularodm/StoredObject.py
	modularodm/storage/__init__.py
Merge branch 'develop' into feature/migration

Conflicts:
	modularodm/fields/field.py
	modularodm/storage/__init__.py
	modularodm/storedobject.py

Add migration tests and example
Merge branch 'feature/migration' into develop