Fix typos and improve Caché backup script

Make it clear that this script is for dev use only.
Fix typo of cache service.
Improve VistA import script for GT.M

Automate import of routines and globals into a GT.M instance assuming
GT.M environment variables are set.
Move files out of Scripts directory

Eventhough all the files are in effect scripts, the entire repository
will be scripts. Nesting all files under the scripts directory is
unnecessary.

If this repo ever comes under Gerrit control it will make the merge
easier.