Rotate solutions

Rotate was solved using Scala by 6 contestants.

577. download NefariousZhen (S, L)
628. download walid (S, L)
1027. download d3z (S, L)
1535. download NotGonnaGetUs (S, L)
1576. download n7k7 (S, L)		 1841. download forty (S, L)