Minor doc/misc/*.texi direntry fixes.

Minor doc/misc/*.texi direntry fixes.

* ada-mode.texi, auth.texi, autotype.texi, calc.texi, cc-mode.texi:
* dired-x.texi, ebrowse.texi, ede.texi, edt.texi, eieio.texi:
* emacs-mime.texi, epa.texi, erc.texi, eshell.texi, eudc.texi:
* flymake.texi, gnus.texi, info.texi, mairix-el.texi, message.texi:
* newsticker.texi, org.texi, pgg.texi, rcirc.texi, reftex.texi:
* remember.texi, sasl.texi, semantic.texi, ses.texi, smtpmail.texi:
* speedbar.texi, tramp.texi, url.texi, viper.texi, widget.texi:
* woman.texi:
Start direntry descriptions in column 32, per Texinfo convention.
Make them end with a period.