Fool-proof label styles for ask-price form.
Fine-tune error styling of the ask-price form.
Document form styles.
Create e-mail validation.
Add initial languages list to pricelist page.

Still needs bunch of work.
Remove ask-price buttons from Contact and Workoffer pages.
Save base path to config.php file.
Fix error in PHP 5.3 with the use of empty().

Only in PHP 5.5 is one allowed to use empty() with a non-variable.

Drop the entire use of trimming and just use PHP type coersion to
check for empty values.
Turn index.php functions into Scriba class.