* Converted most site properties to metadata
* Implemented generic framework into Site prototype
* Added basic form support to generic framework
* Added support for positionl parameters in some macros (e.g. link_macro, skin_macro, created_macro)
* Added link_filter to Global and HopObject
* Added check for "Cancel" in HopObject's onRequest()
* Had to disable display of disk usage in SysMgr due to an issue that has to be resolved, yet
* Added support for various new site preferences (at least in the form :)
* Removed some code related to Lucene search until it's clear how search will work in the future
* Added quite a lot code for backwards compatibility
* Updated database patches
* Fixed issue caused by setting a Metadata property to a Java value, e.g. java.net.URL instance becomes string without quotes. (Could this be a Rhino bug?)
* Finalized conversion of AV_USER table to simple naming scheme ("user")
* Added global getTitle() method which returns either site.title or root.sys_title
* Implemented universal HopObject.value() method
* Rededicated User.update() method since its previous functionality is now taken over by User.value()
* Restructured login and register functionalities in User and MemberMgr
* Replaced first occurrences of Exception with Error
* Introduced i18n via gettext in User and MemberMgr
* Removed getMessage() and Message in User and MemberMgr
* Added first possible implementation of global getPermission() method
* Modified code of global evalEmail() and evalURL() methods to work with Helma modules
* Simplified global sendMail() method by not throwing any MailException anymore and returning the status code only
* sendMail() now is using helma.Mail (so we can debug message output)
* Added rename and delete actions to Tag prototype
* Fixed some issues with image tag management
* Tried to unify story creation / modification, needs some more time
* First steps in direction of a generic and universal manager prototype
* Improved tag framework
* Added support for image tags
* Moved most code of StoryMgr.evalNewStory to Story.evalStory to decrease redundancy
* Added compatibility module (including drafts for database conversions)
* Moved code for topics to compatibility module
* Removed obsolete code
