Allow for Admin to Edit / Delete

Allow for Admin to Edit / Delete articles. Allow allow for edit / delete of articles if the user was deleted.
Add authorization to Article Controller

Allow for edit / delete authorization for admin and article owner by a function in the ArticleController
Use Article Controller Authorization Function

Use New ArticleController authorization function
Add edit / delete buttons

Add edit / delete buttons to the article list
Update list.html
Update view.html
Update articles.js
Add isAdmin for authorization

Add isAdmin for hasAuthorization allowing Admin to delete package objects
Update articles.js
Update articles.js
Update articles.js
Merge pull request #475 from enkodellc/master

Admin / Authorization updates
#475 move icons up next to title
fix #480 add mean:true so app name can be changed
fix #475 hasAuthorization
fix #487: add parentheses for function
Merge pull request #488 from oreofish/master

fix #487: add parentheses for function
Merge branch 'master' of https://github.com/linnovate/mean

Conflicts:
	packages/articles/public/views/list.html
	packages/articles/public/views/view.html
	server/views/layouts/default.html