bigdatagenomics/adam — pull request #535 by calvertj (2014-12-24 16:59:00+00:00)
Title: [ADAM-441] put a check in for Nothing.  Throws an IAE if no return type is provided

Let me know if you want me to change anything. I also updated the
deprecated code and specified a return type for all implicits in
ADAMContext.scala