Merge pull request #405 from tzz/bugfix/sudoers

sudoers: fix parameter types
run_once: new sketch to run a command once in a given context
cf-dc-api.pl: add default activation identifier and timestamp
run_once: enterprise_compatible
cf-dc-api.pl: add default activation identifier and timestamp.1
Merge pull request #406 from tzz/master

run_once: new Enterprise-enabled sketch
dropdir: new sketch
Merge pull request #407 from tzz/master

dropdir: new sketch
dropdir: fix minor typo in default days
regenerate cfsketches.json
ntp_client: enterprise compatible
Merge pull request #408 from tzz/feature/ntp_enterprisify

ntp_client: enterprise compatible
cf-dc-api.pl: add activation priority field
Merge pull request #409 from tzz/feature/activation-priorities

cf-dc-api.pl: add activation priority field
cf-sketch.pl: exit 0 if --apitest is successful, exit 1 otherwise
Merge pull request #410 from tzz/feature/apitest-exit-appropriately

cf-sketch.pl: exit 0 if --apitest is successful, exit 1 otherwise
cf-dc-api.pl: fix case of missing priority
stigs: new sketch
stigs: add changes from jborozan and refactor
stigs: add further changes from jborozan