feat(chat): add tokenized chat example in the new folder
chore(require): update requirejs to 2.1.11
feat(chat): finish chat

Finished chat example
chore(chat): remove unused code

Removed ace editor, replaced with just textarea
feat(chat): add chat page to master branch

Added tokenized chat example to repository.
In this example user can share tokens with other users and chat with
those people he/she shared token to. People who received tokens will be
able to respond on those tokens and first person will see all the
messages