* Fixed: work of the external form which showed full site pages in some cases.
* Changed: mailbox underlying API output to increse performance.
* Added: "Compose from message" option to create a new email based on a sent one.
* Added: styling fixes for WordPress 3.8.
* Added: stripping whitespaces from the beginning and end of email address in the subscription form.
* Added: unsubscribe link in a test email works now.

git-svn-id: https://plugins.svn.wordpress.org/wpnewsman-newsletters/trunk@818803 b8457f37-d9ea-0310-8a92-e5e31aec5664