Translated "workaround" and corrected a few typos.
viewport
viewport
added dot
Merge pull request #58 from tachisis/master

Я точку добавила
Merge pull request #57 from fetis/patch-1

viewport
Уточнил определение вьюпорта. Добавка к #57
Merge pull request #54 from jucke/translation/new

Translated "workaround" and corrected a few typos.