Add: Files for building Enki and Sphinx binaries.
Docs: Remove Sphinx-only markup.
      Update instructions for new build option (Enki and Sphinx).
Fix: Add in Sphinx build with hidden CodeChat import.
     Include CodeChat hidden import in combined .spec.
Clean: Rearrange combined .spec to have Enki first.
Add: Ignore to Sphinx build spec file.
Add: Separate commands to build a combined binary.
Fix: Hidden CodeChat imports.
Add: Exclude Tk from binary.
Fix: Poor default hilight color choice on Unix.