A bunch of translations and html output are not escaped

[adamradocz]

Almost all the output functions miss the escaping on translated texts, which is a security risk.

Just to name a few:
https://github.com/dfactoryplugins/cookie-notice/blob/master/cookie-notice.php#L406
https://github.com/dfactoryplugins/cookie-notice/blob/master/cookie-notice.php#L646
https://github.com/dfactoryplugins/cookie-notice/blob/master/cookie-notice.php#L729