Merge branch 'master' of https://github.com/genomicsclass/labs


Former-commit-id: 2b07d1863dce136666dc5adb17446b8d346d1988 [formerly bb376dce9ebb2a57db739c5378d505c030d31b41]
Former-commit-id: faa1b8a997164a2f8af7bdd5e7d5a5eb3afeb299
removing data files again


Former-commit-id: c585d4deb4aecd64147f7fe67868520a9889c5ca
Merge branch 'master' of https://github.com/genomicsclass/labs


Former-commit-id: 9f94daa051fa51d68e25cc634258775a61a4e85a
removing data files


Former-commit-id: 5e9dc469792760caca4ee4beb26e5e3e0e912eec
Merge branch 'master' of https://github.com/genomicsclass/labs
test commit