Install new training app tables
Wip: Pull in proper js
Install correct gem versions
Move config to engine.rb
Foundation orbit breaks jquery.serialize-object
Generate ember source in parent app.

Once ember-data hits 1.0, we'll be able to update ember-rails and use the default version
Move foundation 4 scss into vendor/assets

There was a conflict with the parent app requiring foundation 3.2 and the
training engine requiring 4.0. If we update the parent app to 4.0, then
we revert this
Don't rely on RAILS_ENV being present
Merge branch 'main-app-initegration'