added missing medium and large two-fourths
added missing grunt-contrib-copy npm dependency
Merge branch 'medium-css-fix' of https://github.com/nastasiu/cardinal into nastasiu-medium-css-fix

* 'medium-css-fix' of https://github.com/nastasiu/cardinal:
  added missing grunt-contrib-copy npm dependency
  added missing medium and large two-fourths

Conflicts:
	package.json
Merge branch 'nastasiu-medium-css-fix'

* nastasiu-medium-css-fix:
  added missing grunt-contrib-copy npm dependency
  added missing medium and large two-fourths
v2.4.2