Keep BitTorrent Sync running on OS X

com.getsync.bittorrentsync.plist

<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
        <key>KeepAlive</key>
        <dict>
                <key>Crashed</key>
                <true/>
                <key>SuccessfulExit</key>
                <false/>
        </dict>
        <key>Label</key>
        <string>com.getsync.bittorrentsync</string>
        <key>Program</key>
        <string>/Applications/BitTorrent Sync.app/Contents/MacOS/BitTorrent Sync</string>
        <key>RunAtLoad</key>
        <true/>
</dict>
</plist>