Include factorie/package.scala, which I forgot in the last commit.
Include factorie/package.scala, which I forgot in the last commit.

pogren-oracle/factorie,hlin117/factorie,factorie/factorie,asubbaswamy/factorie,Craigacp/factorie,melisabok/factorie,joprice/factorie,zxsted/factorie,strubell/factorie,digitalreasoning/factorie-scala-210,malcolmgreaves/factorie,patverga/factorie