When doing a fetchAll on a Backbone collection - use the Backbone.reset() instead of the DobyGrid.reset().
Merge branch 'master' of https://github.com/globexdesigns/doby-grid

# By globexdesigns
# Via globexdesigns
* 'master' of https://github.com/globexdesigns/doby-grid:
  Add new "keepNullsAtBottom" option for customizing the sorting preference.