switched to cleancss, since it's faster than cssnano
switched to cleancss, since it's faster than cssnano

ludumdare/ludumdare,sgstair/ludumdare,StormBurpee/ludumdare,Noojuno/ludumdare,ludumdare/ludumdare,zwrawr/ludumdare,StormBurpee/ludumdare,local-minimum/ludumdare,Noojuno/ludumdare,Noojuno/ludumdare,StormBurpee/ludumdare,StormBurpee/ludumdare,sgstair/ludumdare,povrazor/ludumdare,local-minimum/ludumdare,povrazor/ludumdare,zwrawr/ludumdare,ludumdare/ludumdare,ludumdare/ludumdare,Noojuno/ludumdare,local-minimum/ludumdare,local-minimum/ludumdare,sgstair/ludumdare,zwrawr/ludumdare,povrazor/ludumdare,povrazor/ludumdare,zwrawr/ludumdare,sgstair/ludumdare