Jcow 2.5 changelogs

*change jcow id to local id
*integrate openinviter
*move app icons to app folder
*add an admin account after installation
*add forum streams
*upgrade landing page
*upgrade signup page
*add required fields
*add birthday, fullname
*option to receive email notifications
*option to allow html tags in blog
*smaller the jcow ad
*admin can delete group
*add photo slideshow
*paid membership (available to white label version)
*paid member roles (available to white label version)