Horde 3.0 Missing Features

These are features or changes that should be done before FRAMEWORK_3 goes final.

Horde

Implement removeuser methods in applications' APIs to delete user specific data. (50% done)
Implement a null Perms driver. (DONE)
Define access keys. (DONE)
Make blocks self contained. (DONE)
Prepare for themed graphics. (DONE)
Horde_Label api. We need to replace the 'categories' code in Nag, Mnemo, Turba, etc. that's duplicated in lots of places with a more centralized, more flexible solution. (DONE)
Configurable data types for SOAP WSDL. (DONE)
<configspecial> tags for DB configuration. (DONE)
Make reverse Links work again.