Fix: When no group exists 'buildGroupData()' breaks the code calling the      Prototype library with null values.
Fix: When no group exists 'buildGroupData()' breaks the code calling the
     Prototype library with null values.


Chris--A/phpMyFAQ,rogeriopradoj/phpMyFAQ-vagrant,thorsten/phpMyFAQ,brianjking/phpMyFAQ,thorsten/phpMyFAQ,rogeriopradoj/phpMyFAQ-vagrant,Chris--A/phpMyFAQ,thorsten/phpMyFAQ,Chris--A/phpMyFAQ,Chris--A/phpMyFAQ,thorsten/phpMyFAQ,brianjking/phpMyFAQ,brianjking/phpMyFAQ,brianjking/phpMyFAQ,rogeriopradoj/phpMyFAQ-vagrant,rogeriopradoj/phpMyFAQ-vagrant