bit.ly/tf-sig-build-notes) if you'd like to discuss the future of contributions.

### Brief System Overview

The top-level scripts and utility scripts should be fairly well-documented. Here
is a brief explanation of how they tie together:

1.  `envs/*` are lists of variables made with bash syntax. A user must set a
    `TFCI` env param pointing to a list of `env` files.
2.  `utilities/setup.sh`, initialized by all top-level scripts, reads and sets

good many voices all talking together:  she made out the words:
`Where's the other ladder?--Why, I hadn't to bring but one;
Bill's got the other--Bill! fetch it here, lad!--Here, put 'em up
at this corner--No, tie 'em together first--they don't reach half
high enough yet--Oh! they'll do well enough; don't be particular--
Here, Bill! catch hold of this rope--Will the roof bear?--Mind

good many voices all talking together:  she made out the words:
`Where's the other ladder?--Why, I hadn't to bring but one;
Bill's got the other--Bill! fetch it here, lad!--Here, put 'em up
at this corner--No, tie 'em together first--they don't reach half
high enough yet--Oh! they'll do well enough; don't be particular--
Here, Bill! catch hold of this rope--Will the roof bear?--Mind