Show list of posts

* Show names of posts linked to full post
* Show time ago in words
Order posts on categories show

* Create method to order posts by created_at
* Add method to show page
Add time ago in words to post partial
Change post.title to post.name

* Current pull request makes this change
* Will be necessary for future use
Take regions into account

* Forgot regions was a thing
* Pass region into ordered_posts method
* Only get posts with correct region id
Remove redundant self
Simplify region-finding
Move post link into partial
Change title back to name again for future use
Improve rendering of partial

* Render collection rather than using .each
Merge pull request #20 from elijahkim/ha-show-posts

Show posts