add test__examples.py

greentest/test__examples.py

+import sys
+import os
+import glob
+
+modules = []
+
+for path in glob.glob('../examples/*.py'):
+    modules.append(path)
+
+assert modules
+
+error = 0
+
+for path in modules:
+    if path.endswith('server.py'):
+        print path, 'skipping'
+    else:
+        print path, 'running'
+        sys.stdout.flush()
+        res = os.system('%s %s' % (sys.executable, path))
+        if res:
+            error = 1
+            print path, 'failed'
+    print '-----'
+
+if error:
+    sys.exit(1)
+