GitLab

Detail:
  * Rewrite makefile to use shared makefiles (requires splitting off into
    sub-makefiles because there are both app and module targets)
  * Alter to support assembly with objasm, not just aasm
  * Enable GitLab CI
  * Consolidate and complete .gitignore

Admin:
  Requires BuildSys-7_58

Version 0.02 (HAL.2). Tagged as 'HostFS-0_02-HAL_2'