infer_and_cache.jl now processes all the dat files in a specified directory
infer_and_cache.jl now processes all the dat files in a specified directory


Former-commit-id: d0d83af69b9ffe3c8b9e779f7e784b0b98fa9539
jeff-regier/Celeste.jl,jeff-regier/Celeste.jl,jeff-regier/Celeste.jl