Do not force panes to fail just because subtype does not exist. They may want to render something anyhow.

Fix the "save" button to work on the views content settings page, though that page is still in the wrong place.

More robust AJAX stuff that will eliminate some ugly errors plus prevent double clicks on ajax links.

Port block content from Panels, reorganizing them so that the categories are more what the content is about than where it is from.

Integrate the default form (title override + context selection) with the first step in the pane config forms.

Initial commit of content API into ctools. Only one content type is ported, but there are some docs.

Updates to smooth out problems with the new panel page type, remove deleted displays properly and other fun fixes.

Make access plugins a little less focused on the term "access" and change selection criteria to selection rules.

Update export to make it more useful for Panels which does not always export in a straightforward manner.

Implement titles; this caused a retooling of the return value of the context task handler rendering so be sure to sync up.

#364167 by drewish: Prevent a broken UI when the number of handlers does not match up to settings on a page.