santad: Fix printer-proxy workaround (google#120)

Project: Include xcodebuild clean in rake clean

santad: Avoid properties in critical path

Project: Have rake dist make the correct folder name from the version…

… tag

santad: Improve SNTFileWatcher, update config file permissions if the…

…y change

SantaGUI: Log to syslog

santa-driver: Better handle secondary volumes

santactl/sync: In --debug log the full NSError for failed requests

santad: Run watchdog thread loop once before sleeping

santa-driver: Only try to use/release proc_t if proc_find found it.