Revert "more twiddling"

This reverts commit 6368e95acbdd926f9e8b5efeaea05100428566fe.
Revert "testing whether extensions are required"

This reverts commit cf590daecddee0f02ada56e712c5d6955e664d1f.
Revert "removed .html extensions by putting each page in it's own folder; updated all email address throughout site to @smartlogic.io addresses"

This reverts commit 53c3cfeb559b39057456b6f404c2c31f26030dfd.