recaptcha 6.x-1.8

RC2:

• Links to mailhide are all broken
• Tabindex is a string.
• fetchField() is not available in D6
• D6 cache_get() may return 0 what makes the condition failing
• Library include status is incorrect.
• Remove all target "_blank"
• Use drupal_substr() for substr()
• Issue #2500273 by hass: Backport all changes from 7.x-1.x to 6.x-1.x
• Issue #2475303 by hass: Remove mailhide files from root folder
• Issue #2473329: Remove obsolete variables.
• Issue #2475303 by hass: Move recaptcha_mailhide into its own directory
• Issue #2473329 by hass: Remove obsolete variables.
• Issue #1827922 by hass: Always use HTTPS to communicate with reCAPTCHA servers
• Issue #1734952 by hass: Fail gracefully instead of calling die(
• Issue #1759334 by hass: $conf['cache'] is not reset to database values.
• Issue #1921794 by hass: Call to undefined function recaptcha_get_signup_url()
• Issue #1927392 by hass: Improve use of _recaptcha_test_recaptcha_server()
• Issue #1734956 by hass: Fail gracefully instead of calling die() if reCAPTCHA server is down
• Issue #1913556 by Liam Morland: jQuery update may be required
• Issue #1732780 by Liam Morland: Improve handling of $_POST
• Issue #1908676 by Liam Morland: Remove references to recaptcha.net
• Issue #1681746 by Liam Morland: Page is blank when reCAPTCHA not configured

RC1:

• #622782: Text for custom theme says "Enter the numbers you hear"
• #1168740: Disable 3rd-party cookies in reCAPTCHA
• #1198372: For security reasons, you must pass the remote ip to reCAPTCHA
• #1460112: Remove the makefile
• #1732872: Update reCAPTCHA library to 1.11
• #1793458: Add Drush make support