Refactor `list_posts` widget from "All Posts" page
Refactor top and bottom of `default` layout into `header` and `footer` includes
Add logic for custom page browser title
Create `tag` layout
Add individual tag pages for existing tags

- github
- rants
- markdown
- pycharm
- jekyll
- pinax
- bitnami
- postgresql
- intellij
- django
- basics
- reviews
- python
- alfred