Do not set images for the layout cell.
Merge branch 'develop' of github.com:wordpress-mobile/WordPress-iOS into issues/1981-do-not-set-images-in-layout-cell

Conflicts:
	WordPress/Classes/ViewRelated/Reader/ReaderPostsViewController.m
Merge pull request #1995 from wordpress-mobile/issues/1981-do-not-set-images-in-layout-cell

Do not set images for the layout cell.