Bump memory to 400 to escape out of memory errors.  Apparently django is hungrier than I thought
Don't use short commit id, get the whole thing from the bash side of things
Instead of directly invoking cook_recipes.sh, the python endpoint will spit out a file into a directory, acting as an interprocess queue of commits that need to be tested.  This will simultaneously serve to provide environment separation between the www-data user and the julia-building process, as well as the problem of having multiple commits come in at the same time.