Revert overlay classes and follow on fix#1986

Merged

allredj merged 2 commits intodiffblue:developfrom

thk123:revert/1816/overlay-classes

Mar 29, 2018

Commits on Mar 29, 2018

Revert "Merge pull request #1982 from NathanJPhillips/bugfix/load-object-once"
Thomas Kiley
committed
Revert "Merge pull request #1816 from NathanJPhillips/feature/overlay-methods"

thk123
authored and
Thomas Kiley
committed