Log Message:
Update plone3 package to 3.1.5.1.

Change log

 * Internationalization updates:
	o Correct incorrect translation of default content on site
	  creation. Fixes 8379.
	o Update normalization rules for French, Greek and Scandinavian
	  languages. Fixes 7513 and 8308.
	o Use the native language name in the language selector
	  viewlet. Fixes 7103.
	o Correct Unicode handling in the content rules mail action,
	  sharing page and CMF action titles. Fixes 7650, 7576 and
	  7133.
 * Site setup improvements:
	o Expose both automatic and manual versioning policies through
	  the types control panel.
	o Add an option to disable inline editing.
	o Simplify the mail control panel to use a single tab, making
	  it less confusing with validation errors. This fixes 7425,
	  7694 and 6916.
 * Add and use a new multi checkbox widget with accessible
   <label>s. Fixes 7211.
 * Always use current file system path when looking for translation
   files. This prevents problems on ZEO environments or	migrations
   where file system paths differ between instances.
 * When replying to a comment use the title of the replied-to comment
   as default for the new comment. Fixes 8323.
 * Allow changing ownership to users defined outside the Plone
   site. Fixes 5730.
 * Show a proper error message instead of a system error when trying
   to cut a locked item. Fixes 7711.
 * Make sure events do not appear in both previous and upcoming events
   collections at the same time. Fixes 7790.
 * Handle logins directly after a password reset correctly. Fixes 5548
   and 8356.
 * Hitting enter in the user search box on the groups overview page
   should not add a new group. Fixes 6187.
 * Hide the language selector when printing. Fixes 8299.
 * Support batching of collection contents on all views. Fixed 8121.
 * Improve handling of hCard/hCalendar support on the Events
   page. Fixes 6888 and 6889.
 * Upgrade jQuery to 1.2.6.
 * Improved support for OpenID 2 and OpenID delegation.

Updated packages and products

 * Products.ATReferenceBrowserWidget 2.0.3
 * Products.CMFPlone 3.1.5.1
 * Products.PlacelessTranslationService 1.4.13
 * Products.PloneTranslations 3.1.4
 * borg.localrole 2.0.1
 * plone.app.contentmenu 1.1.5
 * plone.app.contentrules 1.1.5
 * plone.app.controlpanel 1.1.2
 * plone.app.form 1.1.5
 * plone.app.i18n 1.0.5
 * plone.app.iterate 1.1.5
 * plone.app.layout 1.1.5
 * plone.app.openid 1.1
 * plone.app.portlets 1.1.5.1
 * plone.app.viewletmanager 1.2.1
 * plone.app.vocabularies 1.0.5
 * plone.app.workflow 1.1.5
 * plone.fieldsets 1.0.3
 * plone.i18n 1.0.6
 * plone.intelligenttext 1.0.2
 * plone.openid 1.2
 * plone.portlet.static 1.1.5