Globus Toolkit updates from upstream

• globus-ftp-client 8.21: undefined configure macro in gridftp-ssh
• gloubs-gridftp-server 7.24
• • Fix netmanager crash (7.24)
• • Allow netmanager calls when taskid isn't set (7.24)
• • Fix threads commandline arg processing (7.23)
• • Prevent parse error on pre-init envs from raising assertion (7.23)
• • Restrict sharing based on username or group membership (7.21)
• • Don't enable udt without threads (7.21)
• • Environrment and threading config not loaded from config dir (7.21)
• • Ignore config.d files with a '.' in name (7.21)
• • Always install udt driver (7.21) - F20+, EPEL6+
• globus-net-manager 0.7: add file parameter to logging driver to set a file to log to