Revert "Added .buildbox-yml file."

This reverts commit 3671b23f7a4e2b65b9fed603ea83d85c4089ee2b.
Revert "Be more quiet about cleaning the directory with git."

This reverts commit 76ddc31a1dca93536252df492ddf8b9f5af823a5.
Revert "Bumped version to 0.3.1"

This reverts commit e6a03977065a51edf1039a329438b2b376937223.
Revert "Track the start time and end time of parts."

This reverts commit bda84fae0a708b2ee2394c3950c28fdb35b845e4.
Revert "Do a deep merge of the build before passing to the API."

This reverts commit 4ef4c77eb4d587aea0a4c7dce7a92a3fabba2782.
Revert "Run a build in parts, and reference a .buildbox.yml file in the repo."

This reverts commit 6b82fb86c189eff1f77ca3c4a981fe4f4978591d.
Various fixes cherry picked from the previous work.