Use 1.7 source/target compatibility
Use 1.7 source/target compatibility

kluver/lenskit,vijayvani/Lenskit,kluver/lenskit,binweiwu/lenskit,tajinder-txstate/lenskit,tajinder-txstate/lenskit,aglne/lenskit,tajinder-txstate/lenskit,kluver/lenskit,martinlaz/lenskit,vaibhav345/lenskit,linjunleo/lenskit,amaliujia/lenskit,chrysalag/lenskit,chrysalag/lenskit,blankazucenalg/lenskit,aglne/lenskit,vaibhav345/lenskit,binweiwu/lenskit,linjunleo/lenskit,vaibhav345/lenskit,vaibhav345/lenskit,kluver/lenskit,kluver/lenskit,martinlaz/lenskit,tajinder-txstate/lenskit,vijayvani/Lenskit,blankazucenalg/lenskit,amaliujia/lenskit