Reduce again the number of Rubies we build against, since Travis is stupid.
Reduce again the number of Rubies we build against, since Travis is stupid.

3months/first_click_free,3months/first_click_free,kkyouhei/first_click_free,kkyouhei/first_click_free,3months/first_click_free,kkyouhei/first_click_free