version 3.0 of the theme -- complete overhaul

doc_collections.md

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+---
+title:  Collections
+tags: []
+keywords: 
+audience: 
+last_updated: 
+summary: 
+---
+{% include linkrefs.html %} 
+
+## What are collections
+Collections are custom content types different from pages and posts. You might create a collection if you want to treat a specific set of articles in a unique way, such as with a custom layout or listing. For more detail on collections, see [Ben Balter's explanation of collections here](http://ben.balter.com/2015/02/20/jekyll-collections/).
+
+## Create a collection
+To create a collection, add the following in your configuration file:
+
+```
+collections:
+  tooltips:
+    output: true
+```
+
+In this example, tooltips is the name of the collection.
+
+## Interacting with collections
+
+You can interact with collections by using the `site.collection_namespace` path, where `collection_namespace` is what you've configured. In this case, if I wanted to loop through all tooltips, I would use `site.tooltips` instead of `site.pages` or `site.posts`. 
+
+See [Collections in the Jekyll documentation](http://jekyllrb.com/docs/collections/) for more information.
+
+## How to use collections
+
+I haven't found a huge use for collections in normal documentation. However, I did find a use for collections in generating a tooltip file that would be used for delivering tooltips to a user interface from text files in the documentation.