added: scoreboards and problems in navbar
added: scoreboard splitted into zju/public
Add scoreboard UI.
Merge branch 'local-testing' of github.com:starrify/CTF-Platform into local-testing
added: indicator in problems.html
Merge branch 'local-testing' of github.com:starrify/CTF-Platform into local-testing
Update captcha UI.
Add validator for email input in registration page.
Merge branch 'local-testing' of github.com:starrify/CTF-Platform into local-testing
Move capture input field into form.
Attemp to add recaptcha post logic, but failed, further debugging required.
fixed: stupid typo that causes wierd problems
added: recaptcha support in API
fixed: recaptcha display and reload problem
changed: problem submit field style