[FIX] org.gpgtools.macgpg2.updater path fixed.
Start gpg-agent with launchd instead of killing it using launchd.
Also unload org.gpgtools.macgpg2.gpg-agent.plist
[FIX] Update to Libgcrypt 1.5.3 which mitigates a side channel attack - http://eprint.iacr.org/2013/448

- Updating libgcrypt also makes the IDEA patches obsolete.
LaunchAgents fixes.
Payload path fixed.
remove shutdown-gpg-agent