Bugfix: PR47

Fixes a typo: $_SERVER['REMOTEADDR'] > $_SERVER['REMOTE_ADDR'] #47
https://github.com/blaenk/wp-recaptcha/pull/47

Signed-off-by: Andrew <macbook-131@macbook-131s-MacBook-Pro.local>
Bugfix: PR54 - Plugin directory URL

WPPlugin::url_to_plugin_directory doesn't work correctly #54
Using the WP library function for a plugin url. Fixes an incorrect URL when running WP code for a different subdirectory.
https://github.com/blaenk/wp-recaptcha/pull/54

Signed-off-by: Andrew <macbook-131@macbook-131s-MacBook-Pro.local>
Bugfix: PR46 - Avoid PHP notice

Validate before assignation to avoid PHP notice. #46
https://github.com/blaenk/wp-recaptcha/pull/46

Signed-off-by: Andrew <macbook-131@macbook-131s-MacBook-Pro.local>
Bugfix: Don't filter admin panel.

Prevent captcha error filters being applied in the admin panel.
https://github.com/rdonovan/wp-recaptcha/commit/a4badfdf2bdfc59ebb2392108e0129f1d1f86577

Signed-off-by: Andrew <macbook-131@macbook-131s-MacBook-Pro.local>
Bugfix: PR58 - Fix undefined indices

Fixed undefined indexes when displaying reCAPTCHA with the comment and registration form, and when validating options. Tested up to: 3.6.1.
https://github.com/blaenk/wp-recaptcha/pull/58

Signed-off-by: Andrew <macbook-131@macbook-131s-MacBook-Pro.local>
Bugfix: Protect error response

Prevent a spammer overriding the negative response from check challenge, simply by filling the field "recaptcha_challenge_field" with anything.
https://github.com/blaenk/wp-recaptcha/issues/50

Signed-off-by: Andrew <macbook-131@macbook-131s-MacBook-Pro.local>
Bugfix: Javascript errors on submit button

Fix JavaScript error on pages that don't have submit button. Check the button exists before trying to reorder.
http://wordpress.org/support/topic/javascript-error-in-ie8-on-pages-that-do-not-have-submit-button#post-2250756

A more detailed approach:
Fix page-embedded JS to onload event #22
https://github.com/blaenk/wp-recaptcha/issues/22

Signed-off-by: Andrew <macbook-131@macbook-131s-MacBook-Pro.local>
Bugfix: PR60 - Fix for WPMU

Fix for Multisite platform.
https://github.com/blaenk/wp-recaptcha/pull/60

Signed-off-by: Andrew <macbook-131@macbook-131s-MacBook-Pro.local>
Maintenance: Update version

Increase version number 3.1.6 > 3.2.1, to avoid author 'update' message that support is dropped.

Signed-off-by: Andrew <macbook-131@macbook-131s-MacBook-Pro.local>
Optimisation: Images

Lossless compression of all png images.

Signed-off-by: Andrew <macbook-131@macbook-131s-MacBook-Pro.local>
Optimisation: CSS reduced

Commented out mailhide related CSS (not in use for our needs- but can be uncommented easily).
Split human-readable CSS into recaptcha-dev.css (for editing), and replaced live CSS file with optimised version (by YUICompressor).

Signed-off-by: Andrew <macbook-131@macbook-131s-MacBook-Pro.local>