Update fabfile.py to fix AWS compatibility

[bcyphers]

The fabfile is currently out of sync with the rest of the codebase, making it impossible to automatically launch an ATM cluster on AWS. This needs to be fixed.

[paulrich1234]

hi,i have built a datarun and classify model as the instructions but i dont know how to use model to test the data ,i mean training has complete ,but i dont know how to predict the data label ,my data is local csv file .t looking forward to your reply .i will appreciate it very much.

[micahjsmith]

@csala can you look into this?