couldn't forward-merge again the python-mode snippet directory, so just added the prop snippet again manually

snippets/text-mode/python-mode/prop

@@ -0,0 +1,15 @@
+# contributor: Mads D. Kristensen <madsdk@gmail.com>
+# name: prop
+# --
+def ${1:foo}():
+   doc = """${2:Doc string}"""
+   def fget(self):
+       return self._$1
+   def fset(self, value):
+       self._$1 = value
+   def fdel(self):
+       del self._$1
+   return locals()
+$1 = property(**$1())
+
+$0