captcha patch (Tks to FrankH)
Created 2.8.x branch
Copyright notices now includes 2009
Captcha: removed IFRAME for Calculation-as-text captcha
Added captcha-reload
ASP: off per default. CAPTCHA: removed unneeded $admin. Filename: just convert chars like quote, doublequote, < > & to empty string.
call_captcha: added parameter 'style', fixed some issue with parameter 'image' and text-style captchas
CAPTCHA: added parameter to call_captcha (can be one of: 'image', 'input' or 'text')
CAPTCHA: Wrong text for calc_ttf-captcha.
Changed maxlength of captcha-fields - don't tell the bots how many chars we want to have.
fixed bug with text Captcha (input restricted to 10 characters) and a small layout issue
Added Text-CAPTCHA on request. The captcha-text will be stored in temp/.captcha_text.txt
adjusted layout of calc_text-captcha.
Added new CAPTCHA (calc_ttf_image). Changed call_captcha() to output a table-layout. Some minor changes to captcha-code.
Added preview-images for CAPTCHA. Improved security: CAPTCHAS can't be loaded from outside WB
Added keywords to files where they are missing
added new CAPTCHA and ASP (Advanced Spam Protection)