Securing Endpoint-level components (Spring `@Controllers`, Angular
services, servlet web.xml). 
In progress: Lockdown admin areas with admin access check
(https://trello.com/c/HC9ABev6).
In-progress: Securing admin views (Angular controller layer).
In progress: Lockdown admin areas with admin access check
(https://trello.com/c/HC9ABev6).
Complete: Lock down admin areas with admin access check
(https://trello.com/c/HC9ABev6).