add notes to views
uncomment spec_helper defaults
explicit files in application.js
explicit engine stylesheets in layouts
explicit engine js file
use before_action
add translations#export
add currency translations
add Simulator#activate! and #default_equation
add simulators#activate route
add simulators#activate action
only superusers can change translations (as they are system-wide)
make field visibility configurable
fix errors in views
make migrations available to apps