(#59) Styling grid: Fixed width of a single col in a row
(#59) Changelog.
Merge branch 'feature-0.12.x/59-styling-grid--fix-width-of-a-single-col-in-a-row' into release-0.12.x

* feature-0.12.x/59-styling-grid--fix-width-of-a-single-col-in-a-row:
  (#59) Changelog.
  (#59) Styling grid: Fixed width of a single col in a row