[LyX/2.3.x] Russian Tutorial.lyx: first step to update by Yuriy

[Uwe Stöhr]

commit d46193d54493f206cb19c10a8458389f94d84e06
Author: Uwe Stöhr <uwesto...@lyx.org>
Date:   Wed Dec 13 21:11:16 2017 +0100

    Russian Tutorial.lyx: first step to update by Yuriy

 lib/doc/Makefile.am                  |    4 +
 lib/doc/ru/Tutorial.lyx              | 1657 ++++++++++++----------------------
 lib/doc/ru/clipart/ToolbarEnvBox.png |  Bin 0 -> 790 bytes
 po/ru.po                             |   25 +-
 4 files changed, 587 insertions(+), 1099 deletions(-)