adding ability for custom view pages to be in the admin and inside the menu
Update administrator.php

adding pages to config src
Update Factory.php

somehow I removed the getType method that was needed
Adding changes per janhartigan's request for PR
fixed viewcomposer from changes from janhartihan
Merge branch 'dev' of https://github.com/davemathews/Laravel-Administrator into dev
various changes to bring custom page PR in line (See #323)