Issue #1530410 by budda: restricted user login ban to only when countries are matched or all visitors

Issue #1498790 by budda: Added support for the onCookiesAllowed callback and other modules adding their callbacks to the list.

Issue #1530410 by budda: Disable user login form until cookies allowed. Displays a warning to the visitor.

Re-factored way cookie accept callback is built up. Support for hiding cookie icon on acceptance in admin UI.

Issue #1507616 by budda: Stripped newlines from text message and auto wrapped paragraph tags to text not containing specific <p> tags