Combine social and tiles

[merefield]

This PR fully replaces social style with tiles style now that it works on mobile and desktop and will operate in one column if you restrict the available width.

[angusmcleod]

@merefield On first load, I'm getting an exception.

You'll need to add a check for tags existence before iterating through them.

if (Discourse.SiteSettings.topic_list_tiles_larger_featured_tiles && topic.tags.filter(function (tag) {
                return _this.get('featuredTags').indexOf(tag) > -1;
              })[0]) {
                this.classNames.push('tiles-grid-item-width2');
              }

However, let's just break this out into a new PR. One feature per PR is best.

[merefield]

Ok will do on both counts.

[angusmcleod]

I'm getting this exception when opening the category settings modal. Check that you've updated how the custom settings are initialized

I'm also seeing a number of remaining "social" or "social-style" strings in the plugin. Let's clean these up.

[merefield]

Apologies, this is all done.