Merge branch 'release/v2.7.4'
Merge branch 'release/v2.7.5'
Merge branch 'release/v2.7.6'
Merge branch 'release/v2.7.7'
Fixing a bug that prevented AJAX submission success messages from showing properly.
Validate the action
Send a nonce value with the ajax request
Send once through to callback
Merge pull request #298 from pdewouters/add-ajax-nonces

Add ajax nonces
Introduce ninja_forms_get_ip() to get the IP address of the person submitting a form
Update functions.php

Update prefix
Merge pull request #303 from pippinsplugins/function/get_ip

Introduce ninja_forms_get_ip() function
Merge branch 'develop' into feature/notifications

Conflicts:
	includes/functions.php