tuid: Common link and set functions added
tui: menu has a RTOS version. (issue #2)

the menu function has a slight different data types. And is recursive
-It supports tui_t data structure
-It supports multirow frame
FIX: tui_menu var: calls decrement issue
tui_menu: Comment rework
combobox: has an RTOS version. (issue #2)

The RTOS version of combobox share the same combobox_t but has a slight
different prototype.
- It supports tui_t data structure
- It supports multirow frame