Add img lazy-loading for grid layout
Merge pull request #10 from jpsirois/add/lazy-loading

Add img lazy-loading for grid layout.
Prevent lazy-loading init trigger on resize. Fix #10
Merge branch 'add/lazy-loading'

* add/lazy-loading:
  Prevent lazy-loading init trigger on resize. Fix #10
Merge branch 'master' into add/bg-color-picker

* master:
  Prevent lazy-loading init trigger on resize. Fix #10
  Add img lazy-loading for grid layout