* Added functionality to populate date field based when creating
* Date invoice was last sent information added
* Added variable support in open content fields 1 and 2
* CSS update for latest version of WP
* Update to KPP logo

git-svn-id: https://plugins.svn.wordpress.org/invoice-king-pro/trunk@926784 b8457f37-d9ea-0310-8a92-e5e31aec5664