Revert "[NH JE] Remove script/build step"
Revert "[NH JE] Remove script/build step"

This reverts commit 4ef470d2ae3a868f61805b015ede2e4fb51bc769.

Leiningen is not installed on the wercker boxes, and that is but one of
many reasons why we should be building inside a Docker container. So
script/build should stick around.

democracyworks/s3-ftp