Factor out common metadata to importable file.

metadata.py

@@ -0,0 +1,7 @@
+url='https://github.com/micropython/micropython/issues/405'
+author_upy_devels = 'MicroPython Developers'
+author_upy_devels_email = 'micro-python@googlegroups.com'
+
+# Dummy module
+def desc_dummy(name):
+    return 'Dummy %s module to MicroPython' % name