restructuring classic snippets dir to conform to new parenting specs

snippets/python-mode/propsg

@@ -0,0 +1,12 @@
+#contributor : Julio Carlos Menendez <godinblack@gmail.com>
+#name : _get_foo ... _set_foo ... foo=property(...)
+# --
+def _set_${1:foo}(self, value):
+    self._$1 = value
+
+def _get_$1(self):
+    return self._$1
+
+$1 = property(_get_$1, _set_$1)
+
+$0