Install ElPkg infrastructure.

2013-03-01  Didier Verna  <didier@didierverna.net>

	* .hgfilemap:
	* INSTALL:
	* COPYING:
	* Makefile.prj:
	* Makefile.pkg:
	* Makefile.inc:
	* Makefile:
	* local.prj:
	* local.mak:
	* local.inc:
	* package-info.in:
	* lisp/Makefile.prj:
	* lisp/Makefile:
	* lisp/local.mak:
	* lisp/local.inc: New files.
	* lisp/wipe.el: Move here from the parent directory.