* properly pass the messagesOnly to chat
* use actual username if embed is not messageonly
* mv embed chat to chat-overlay
* add new embed chat page
* fix router
* secure random number for non-secure application!
* add chat enable/disable functionality
* add username form
add customStyles
* mv overlay css
* add style for embed chat
style cleanup
* rm username form from chat overlay
* refactoring
* css cleanup
css adjust
* minor cleanup
* mark the embed chats as readonly and readwrite
* replace 301 redirects with 307
* add redirect for the cached address
* set insatnce name in chat
