Move JWT keys where all the other keys are.

testkeys/jwtcert.pem

diff --git a/keys/cert.pem b/testkeys/jwtcert.pem
similarity index 100%
rename from keys/cert.pem
rename to testkeys/jwtcert.pem

testkeys/jwtkey.pem

diff --git a/keys/clearkey.pem b/testkeys/jwtkey.pem
similarity index 100%
rename from keys/clearkey.pem
rename to testkeys/jwtkey.pem