Update russian models.rst
Update alignment with the original russian models.rst
[ja] Update tutorial.rst
Merge pull request #320 from inouet/patch-15

[ja] Update tutorial.rst
[ja] Applied changes of the English version
[ja] Update tutorial.rst
Merge pull request #321 from inouet/patch-16

[ja] Update tutorial.rst
Merge pull request #318 from oleg578/master

Update russian models.rst