* Added markgettext_macro()
* Readjusted Admin.dropdown_macro() and the global defineConstants() methods to work with the modified markgettext() calls
* Updated Members.properties and added SQL patch for lowercasing all membership status due to the modified margettext() calls
* Added Membership.role_macro() as convenience method
* Removed syntactic sugar from HopObject.link_macro() and moved it to the compatibility layer to prevent current layouts from breaking
* Removed obsolete permission for non-existing Image.replace_action()
* Disabled ip address property in LogEntry (will be removed in the long run)
* Removed custom property from Skin (still needs some care)
* Removed commented code
