Import Engine : put file download closer to source_file.load to work on Heroku ephemeral file system
Import Engine : put file download closer to source_file.load to work on Heroku ephemeral file system
Correct source files download for Heroku
Merge branch 'v0.5_bug_fix' of https://github.com/Saaman/metal_impact into v0.5_bug_fix
Give uploaded source file path to load_file transition