depending on how PHP was built.

#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).