help2info: generate a simple info manual

 help2info is a bash script that generate a simple info manual from the output of the --help argument of the specified program.

Examples:
 1. a simple texi file for ls:
	$help2info ls
 2. a simple texi file for cp:
	$help2info cp
 3. a simple texi file for mkproject:
	$help2info -n "Make Project" -d "Software Development" mkproject

put the generated texi file into a doc dir with fdl.texi and and let it be managed by the autotools
