Revert "Revert "Added JpChatBundle:Comment Entity""

This reverts commit 49a372ad3dccbcf4e97b2bab8b0874c6ddcd611f.
Update JpUserBundle:Person Entity

Made username unique
Updated JpUserBundle:Person DataFixtures
Added JpChatBundle Fixtures
Update ::base.html.twig Layout
Added PHPUnit framework
Updated JpUserBundle:Person Entity

Implemented UserInterface
Updated security config
Added JpUserBundle:Comment Form
Added a global firewall
Updated security config
Added view layout for JpUserBundle:Comment
Added JpUserBundle:Comment Controller
Added JpChatBundle:Comment Test