Improve LogoutAction
Fixed template scripting compiler

Fixes #1088
Disabled support for PostgreSQL
Option names are now globally unique

Every application has to prepend it's own abbreviation to an option name, e.g. "wbb_thread_enable_marking_as_done" ("wbb_"). This is no longer done by WCF itself!

Fixes #997
Fixes UserAssignToGroupForm
Adds default implementation AbstractClipboardAction::execute()
Adds comments
Replaces data.returnValues.actionName with data.actionName