Add a script similar to xmltests.py to run all SSL-related unit tests

Lib/test/ssltests.py

+# Convenience test module to run all of the SSL-related tests in the
+# standard library.
+
+import sys
+import subprocess
+
+TESTS = ['test_asyncio', 'test_ftplib', 'test_hashlib', 'test_httplib',
+         'test_imaplib', 'test_nntplib', 'test_poplib', 'test_smtplib', 
+         'test_smtpnet', 'test_urllib2_localnet', 'test_venv']
+
+def run_regrtests(*extra_args):
+    args = [sys.executable, "-m", "test"]
+    if not extra_args:
+        args.append("-unetwork")
+    else:
+        args.extend(extra_args)
+    args.extend(TESTS)
+    result = subprocess.call(args)
+    sys.exit(result)
+
+if __name__ == '__main__':
+    run_regrtests(*sys.argv[1:])