Update security/gpgme and friends to 1.9.0 [1]
Fix LICENSE
Add regression test support for master port. Slave port tests are not working
properly and need further investigation.

PR: 218316 (based on) [1]
Submitted by: gahr [1]
Changes: https://lists.gnupg.org/pipermail/gnupg-users/2017-March/057963.html