* Fix Summary values not visible with IE11
* Fix Summary grid for IE11
* Move grid position mixin to _mixins file, so it can be used for other elements
* Remove set-grid-positions mixin and improve code understandability
* Move non-reset SCSS to a new file
* Split shared files and “meta” files into two folders
This also creates two new base scss files for the different app vs embedded CSS files
* Move notice & embed-specific css out of reset
* Update README with folder structure notes