+ Anti spam measures, namely a time gate on registration and an empty field during any CAPTCHA instance.
Revert "+ Anti spam measures, namely a time gate on registration and an empty field during any CAPTCHA instance."

This reverts commit 254e15ca3866f3726676c6eb6540fb99a10f87df.
+ Anti spam measures: a time gate and an empty field that is normally hidden but will trap some bots.

Signed-off-by: Peter Spicer <sleeping@myperch.org>
Merge pull request #630 from Arantor/misc-anti-spam

Misc anti spam measures