Refs #4750
- Make "Feature" a Controller with promise support.
- Use via 'needs' instead of injecting from an initializer because
we need authenticated access to the API.
- Check whether feature is enabled when entering Code Injection route.
closes#4516
- shortcut for ctrl/cmd+s on application level
- shortens a syntax for any route that is using 'save' method, shortcuts object doesn't have to be defined at all, only the save action.
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
