[LyX/master] UserGuide: Adapt to new character dialog.

[Juergen Spitzmueller]

commit 4c8883b0e1dbb17f6863bf157ac1561ed251ade0
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Sun May 6 14:17:28 2018 +0200

    UserGuide: Adapt to new character dialog.
    
    Also differentiate more between (semantic) Character Styles and (formal)
    Text Properties.

 lib/doc/UserGuide.lyx    | 1263 +++++++++++++++++++++++++++++++++++++++++++--
 lib/doc/de/UserGuide.lyx | 1267 +++++++++++++++++++++++++++++-----------------
 2 files changed, 1998 insertions(+), 532 deletions(-)