Add LEIN_NO_USER_PROFILES to sample.project.clj
Merge pull request #1730 from hugoduncan/add-lein_no_user_profiles-to-sample-project

Add LEIN_NO_USER_PROFILES to sample.project.clj
make it clearer that the :signing key is first-level
Merge pull request #1735 from martinklepsch/clarify-gpg-override

make placement of :signing key clearer