K4.0.8 Release

•Change exif check to mime
•Improve topic icons
•Fix fatal error on userlist when disabled for guests
•Menu item “Page Display” options not honored
•Backend: Attachement link to image
•Send pm on profile page
•Update js on edit.js
•Fix Pm on CB Plugin
•Crypsis: missing language string COM_KUNENA_THANKYOU_MORE_USERS
•Clear cache on install
•Confidential is showed on email
•Update copyright year
•Blue Eagle : The link “Powered by” is missing
•Poll : Users can vote without write access