Cleanup of old code, fixes some errors with folders view and make it a
standard action.
users
* id : int
+ name : string
+ full_name : string
preferences
* userid : int
+ keywords_box : int
+ keywords_sort : string
bookmarks
* id : int
* userid : int
+ url : string
+ name : string
+ ldesc : string
+ added : date
keywords
* id: int
* userid : int
+ name : string
bookmarks_keywords
* bookmark : int
* keyword : int
* userid : int
folders:
* id : int
* userid : int
+ keyword : int
+ parent : int
db_sequence:
* seq_name : string
* userid : int
+ nextid : int