Induce the module name from the library name. Report the libraries that can
not be mapped to a module. Make the resulting module dependency graph unique.
Add diagnostic options:

--help
--verbose
--version

Add convenience options (primary for caching):

--from-file
--to-file

Add output option

--output

Provide a manual page with hints how to hack on it.

Change-Id: Ib5c029c6ea197ca4f66fe6958ecbc3f78452c603