Merge branch 'release/1.2.14' into develop
Base updates to styles, addition of header graphic, etc.
New heading styles for tables in admin.
Minor style changes.
Updated form order, headings, internal elements, etc.
Updated header image, updated td elements, misc style adjustments.
Update to header options.
Updates to admin header.
Finalize header for WP admin
Widget text and link added to the Appearance > Widgets options.
Admin panel update with revised header.
Updated Merge variables table.
Updated submit buttons placement and spacing.
Update for widget default styles.
Update MailChimp widget form base styles.
Styling the login screen
Updated log in screen
Removed line break.
Updated line-spacing.
use admin_url() instead of /wp-admin/...