Fixed bug in build_packages that would report package not valid when building it for the first time.

* commit '340b5921': (48 commits)
  Moved recipes, tools, pkgs, and metadata dirs from data/ to data/build/ for a cleaner root dir. Adjusted code to correct for this change.
  Added some error checking and comments.
  Completed recipe for building packages and transferring them to builder.
  gitignore update
  gitignore update
  Updated build rule of Makefile to use buildout recipe.
  Bump to PyCapo 0.3.1
  Add a basic Makefile that builds all the conda packages for us
  Fix the imports to no longer rely on pyat and instead the broken out data packages
  Added simple recipe for building packages.
  Refactor and remove numpy dependencies
  Adding zc.buildout to the environment.yml
  Add zc.buildout to the conda support packages
  Corrected another dependency typo.
  Corrected dependency typo.
  gitignore addition
  Changed a common import error I kept running into in several files.
  Adding meta.yaml files I created for a couple external packages.
  Updated gitignore
  Another updated init file from main branch.
  ...

Moved recipes, tools, pkgs, and metadata dirs from data/ to data/build/ for a cleaner root dir. Adjusted code to correct for this change.

 - Make communication between parse_setup and setup_to_meta JSON
 - Refactor generate_metadata() into class
 - Filter out numpy, because it is implied by Conda

Merge branch 'SSA-6315-skeletal-build' of https://open-bitbucket.nrao.edu/scm/ssa/data into SSA-6315-skeletal-build