Feature/rdlint

This PR adds support for running Crichton lint command `rdlint`.  If the command fails, the CI run will fail.
If there is no api_descriptors directory in the project, the command will not be run.

Ad-hoc tested.

@miwest929 @jcarres-mdsol @asmith-mdsol 
I'm cool either way so fine way it is for me.