use built-in features of FireWorks to rename TransferTask to FileTransfer Task (JSON and database backwards compatible, code is backwards-incompatible)
Merge branch 'master' of github.com:materialsproject/fireworks
move fwtool so that it is not installed yet for people downloading FireWorks
modify gitignore so FW_config tutorial is there properly
Not quite sure why there is a double os.path.join in setup.py