German translation, by Le Leon.

Menu api: added update support for slider values. Pipes api: added extra error detection print for denied access errors.

Large expansion of the Interact Menu API, including dynamic condition checking in md to determine which actions should show, better control over action display (icons, left/right text, etc), and providing much more information on the context in which a menu is opened.

Start of joint change log. named_pipes: added continuous read requests. hotkeys: Suppress hotkeys when typing into text boxes. Support for processing multiple keys per frame. simple_options: Added $skip_initial_callback param. Added Write_Option_Value and Read_Option_Value cues. simple_menu: Fixed column indexing for Call_Table_Method on options menus. Added options menu onOpen signal param with $id, $echo, $columns.