jp: optional positional arguments on "param get" command category and name are both optionals: - if nothing is given, categories list is printed - if only a category is given, a list of params and their values is printed - if both category and name are given, the requested param is printed

Use this module to temporary store files that need to be integrated to other
projects such as Wokkel.

For example, the changeset that introduced this folder adds RSM (XEP-0059)
support to Wokkel. The files in sat.tmp.wokkel are imported over the initial
wokkel files from sat.plugins.__init__.py