Add `data-src` when image is to be lazy loaded, use `tag` helper instead of `image_tag` helper
Add `data-src` when image is to be lazy loaded, use `tag` helper instead of `image_tag` helper

mmkassem/gitlabhq,axilleas/gitlabhq,axilleas/gitlabhq,mmkassem/gitlabhq,iiet/iiet-git,jirutka/gitlabhq,axilleas/gitlabhq,dreampet/gitlab,dreampet/gitlab,jirutka/gitlabhq,mmkassem/gitlabhq,stoplightio/gitlabhq,iiet/iiet-git,stoplightio/gitlabhq,mmkassem/gitlabhq,jirutka/gitlabhq,iiet/iiet-git,stoplightio/gitlabhq,jirutka/gitlabhq,dreampet/gitlab,iiet/iiet-git,stoplightio/gitlabhq,axilleas/gitlabhq,dreampet/gitlab