Introduce refcounting. Keep some default args around so that one does
not have to jump through unreasonable hoops to use cmd_ln_init().
Also rename fe_close() to fe_free() both for consistency and to
intentionally break old code that should be updated.
git-svn-id: svn+ssh://svn.code.sf.net/p/cmusphinx/code/trunk/sphinxbase@8449 94700074-3cef-4d97-a70e-9c8c206c02f5