Moves table-> grid CSS into a separate file to be used for smaller screens

 modified:   app/assets/stylesheets/cheques.css.scss - removes table-to-grid styles
 new file:   app/assets/stylesheets/responsive-table.css.scss - table-to-grid styles

 modified:   app/views/layouts/application.html.erb - include responsive-table.css.scss for narrower screens

 modified:   app/assets/stylesheets/application.css - names specific stylesheets to use,
              leaves out responsive-table.css.scss

 modified:   app/assets/stylesheets/custom.css.scss - expands main div width for wider screens
Shows more information on index page on wider screens

 modified:   app/assets/stylesheets/custom.css.scss
 modified:   app/views/static_pages/index.html.erb
Merge branch 'media-queries'

 moves responsive table CSS into separate file that is used on certain media
 changes to index page for wider screens