allow building for both 2.10 and 2.11
allow building for both 2.10 and 2.11

seratch/scalatra,lzpfmh/scalatra,lightvector/scalatra,dozed/scalatra,seratch/scalatra,lzpfmh/scalatra,Alefas/Scalatra,lloydmeta/scalatra,offner/scalatra,Alefas/Scalatra,lightvector/scalatra,lzpfmh/scalatra,0xfaded/scalatra,dozed/scalatra,lloydmeta/scalatra,dozed/scalatra,offner/scalatra,offner/scalatra,0xfaded/scalatra,lightvector/scalatra,Alefas/Scalatra,seratch/scalatra