add A and T options to the testing Makefile
add bundle_options to the API and use them in the README.md files
set_hostname: work again with the single_use option
cf-dc-api.pl: add T, A, and FILTER options to the Makefile.  Add --activated, --test, and --filter options to cf-sketch.  Add runfile/filter_inputs option to config.json and document it.
cf-dc-api.pl: add bundle_options to bundle metadata
cf-sketch.pl: better error message when the parameters JSON file is invalid
cf-sketch.pl: fix install target
cf-sketch.pl and cf-dc-api.pl: change library load to be shorter and more accurate
First pass at MotD sketch
motd: small adjustments
cf-sketch.pl: more --test and --activated fixes