view/LFTPD statusRenderer(): make one-char status; add l10n for it

Signed-off-by: Oleg Verych <olecom@gmail.com>
view/LFTPD: bind start / quit tool buttons to grid and API

* rename `stop` to `quit` which is not aliased with [s]top
  in one-char status

Signed-off-by: Oleg Verych <olecom@gmail.com>
stopped state: add 'stop' to quit

Signed-off-by: Oleg Verych <olecom@gmail.com>
view/LFTPD wes4store->datachanged: apply possibly new tool's state

Depends-on: https://github.com/suprojs/supro/commit/0fdd8e7e804f49432d624c7e0a9152d8581ed4fd
Signed-off-by: Oleg Verych <olecom@gmail.com>