Significant refactoring to support the new atpkg format.

The bootstrap scripts were also updated to build the entire product properly into libs; no more compiler flags.
Project structure simplified to at* for each of our targets.
The YAML parser completely removed.
2 jobs for master
Status Job ID Name Coverage
  Build
passed #782
openswift
osx

00:00:03

passed #781
openswift
osx

00:00:10