Refactors build script for Apex

Refactors build script for Apex

Changes Include:
 - Build has been refactored into python
 - Caching now packs into multiple unique tar files which are
   logged into a journal file
 - Multiple files and journal allow for multiple apex builds to run
   simultaenously while minimizing risk of collision between cache
   reading and writing
 - Build dependency packages updated and will install when missing
   via ansible
 - If more than 2 caches exist then prune the oldest cache

Change-Id: Iae703253eb6034aee42bf33153bb6e434d3cec48
Signed-off-by: Tim Rozet <trozet@redhat.com>