fixes #642 adding $smcFunc['htmlspecialchars'] to the log functions

Signed-off-by: Illori <illori@simplemachines.org>
Admins should be able to change variants even if the function is disabled

Signed-off-by: emanuele <emanuele45@gmail.com>
Selection of variants broken for users on default theme

Signed-off-by: emanuele <emanuele45@gmail.com>
Merge pull request #699 from emanuele45/variants_things

Variants things
Merge pull request #702 from Arantor/release-2.1

Refining the admin experience a little bit... by getting rid of some of 'Core Features'
Merge pull request #697 from illori/img_in_admin_log

fixes #642 adding $smcFunc['htmlspecialchars'] to the log functions