add PasteDeploy dependency, remove pudge dependency

* upgrade migrate repository structure (fixes #32, #27)
 * switch to PasteDeploy (fixes #31)
 * update for SQLAlchemy 0.5 compatibility
 * add python-gnutls dependency (addresses #35)

bin/gva

@@ -21,42 +21,20 @@
 #
 # Version: $Id$
 
-import gnuviechadmin.cli.client
-import gnuviechadmin.cli.sysuser
-import gnuviechadmin.cli.domain
-import gnuviechadmin.cli.record
-import sys, os, logging.config
+from paste.deploy import appconfig
+from sys import argv
+from os import getcwd
+from os.path import isfile
+from logging.config import fileConfig
+from gnuviechadmin.cli import CommandLineInterface
 
-logcfgs = ('gnuviechadmin/logging.cfg', '/etc/gnuviechadmin/logging.cfg',
-           os.path.expanduser('~/.gva-logging.cfg'))
-for cfg in [x for x in logcfgs if os.path.exists(x)]:
-    logging.config.fileConfig(cfg)
+if len(argv) > 1 and isfile(argv[1]):
+    configfile = argv[1]
+    del argv[1]
+else:
+    configfile = 'development.ini'
 
-commands = [gnuviechadmin.cli.client.ClientCli,
-            gnuviechadmin.cli.sysuser.SysuserCli,
-            gnuviechadmin.cli.domain.DomainCli,
-            gnuviechadmin.cli.record.RecordCli]
+config = appconfig('config:%s' % configfile, relative_to=getcwd())
+fileConfig(configfile, config)
 
-def usage():
-    print """%s <command> [commandargs]
-
-where command is one of
-""" % sys.argv[0]
-    for command in commands:
-        print "%10s - %s" % (command.name, command.description)
-
-def main():
-    if (sys.argv.__len__() < 2):
-        usage()
-        sys.exit()
-    command = sys.argv[1]
-    commargs = sys.argv[2:]
-    if command in [cmd.name for cmd in commands]:
-        for cmd in commands:
-            if cmd.name == command:
-                cmd(commargs)
-    else:
-        usage()
-
-if __name__ == '__main__':
-    main()
+CommandLineInterface(config, argv).run()