view/LFTPD: icon for channels/ids (to be icons in tabs)

Signed-off-by: Oleg Verych <olecom@gmail.com>
view/LFTPD: add tabs; make tools be common for grid and tabs

* common tools status is changed either by clicking on grid row
  or by selecting tabs (it makes implicit selection by selectModel())

Signed-off-by: Oleg Verych <olecom@gmail.com>