add rbx-2.11 for travis
add rbx-2.11 for travis

saizai/MakeYourLaws,saizai/MakeYourLaws,MakeYourLaws/MakeYourLaws,saizai/MakeYourLaws,MakeYourLaws/MakeYourLaws,saizai/MakeYourLaws,MakeYourLaws/MakeYourLaws,MakeYourLaws/MakeYourLaws