#531366 by mikeker: Move token substitutions to prior to filtering in custom content type. This could have some effects on existing installs.

#722246: Search tabs not quite right, particularly with retaining keywords across tabs. This mostly fixes.

#745468 by alevine and Scott Reynolds: Make ajax better able to know what .js/.css was already on the page.

#723296 by andrewlevine: Generalize more of CTools helpers so they can be used for non-CTools files.

#711664 by neclimdul: Deprecate the plugin hook which should no longer be used; all plugins should be file based.

#709754 by yhahn: Add export_module flag to all default objects so that we can tell where they came from.

#708154: Update and Save would leave forms in an older state, causing some forms to lose data (particularly the Panels content form).

Initial inclusion of the stylizer plugin to create user customizable styles from pre-configured base styles.

Allow themes to provide default pages so that Panels Everywhere enabled themes can provide layout variants for the site template.

#686764: Update page tokens to use actual page rendering mechanism rather than the tokens which causes them to appear as having content even when empty.