Log Message:
Update pear-Crypt_GPG to 1.6.0.

1.6.0						2017-02-26 03:26 UTC

Changelog:

* This release adds GnuPG 2.1 support.
* Internal API has been refactored.

* Fix Bug #21182: Ignore invalid proc_close() exit code
* Fix Bug G#28: Use --batch argument for key imports when no passphrase is
  provided.
* Fix Bug #21151: GPG-AGENT process is not automatically closed when using
  GnuPG 2.0
* Fix Bug #21152: Ignore time conflicts (by default)
* Fixed Bug #21148: Throw bad-passphrase exception instead of key-not-found
  exception on decryption