Removes tag management from administrative backend

This is a precursor to only permitting pre-existing tags when creating
articles.
Merge pull request #26 from moneyadviceservice/remove-tag-management

Removes tag management from administrative backend
Adjust the layout of the article_page
Merge pull request #27 from moneyadviceservice/article-page

Adjust the layout of the article_page
Add underline to wysiwyg tool bar
Remove strike from wysiwyg tool bar
Merge pull request #29 from moneyadviceservice/wysiwyg-underline

Wysiwyg underline
Add Capistrano and configure to deploy to VM
Add staging stage
Install Bower dependencies before compiling assets