added some m2e ignores to the project for maven compatibility
added some m2e ignores to the project for maven compatibility

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