refs #1993
- adds ctrl/cmd+s for save
- adds config flag
- adds icon on settings page, puts items in the right order
- sorts out permissions for all settings pages with consistent configuration
closes#4260
- Adds "tags" route inside of the settings routes.
- Adds this route to router.js
- Links the route from the settings.hbs template
- Adds demo tags html in tag.hbs template
- Adds flag for tagsUI
fixes#3031
- Adds an initializer for passing config to the frontend, it's not pretty but it works
- Forwards the apps route and hides the apps menu item if apps:true is not present in config.js
