Merge branch 'master' into artagel-add_openresty_authorization_examples

Merge branch 'halkeye-patch-1'

use `./do.sh` for build instructions

Merge branch 'artagel-add_support_to_pass_tokens'

vouch#113 rename variables, formatting

Merge branch 'artagel-make_client_secret_optional'

Merge branch 'master' into artagel-allow_users_to_store_claims_in_JWT

fix vouch#115 state variable alpha num

fix vouch#92 default to jwt.maxage, warn if exceeds jwt.maxage, as mi…

…nutes

cleanup .gitignore