made fonts easily exchangable
randomize fieldnames, add honeypot

the input names for the captcha are now changing depending on the
current page and useragent.

a CSS hidden field was added that should *not* be filled.
don't let wave generator create anything unless audio is enabled
added new 'math' mode
translate Math problem Chinese strings
Merge pull request #9 from haobug/master

Simplified Chinese translation from math problem feature added
fix typo
Update lang.php

add ```fillmath``` key/value
Update lang.php
Update settings.php

add ```mode_o_math``` key/value
Merge pull request #10 from mprins/translation_update

NL translation update
Japanese translation
Merge pull request #11 from nyantama/japanese-translation

Add Japanese translation.
bind captcha to current day
some cosmetic code cleanup
allow user to set the length of the CAPTCHA
obfuscate plain text

When the CAPTCHA code is in plain text in the HTML code (js, text,
math), random whitespace characters are introduced inbetween. This
should make it a little bit harder to parse the code from the HTML
source.
can translate the honeypot message
Merge pull request #12 from lainme/i18N

let the honeypot help message can be localized
Merge remote-tracking branch 'captcha/master' into captcha

Conflicts:
	conf/default.php