Submodules update.

  * airline.
  * syntastic.
  * xkbswitch.
Stalonetray: fixed position and sizes for netbook.
xmobarrc:

  * use wlan0 instead of eth0.
  * added bat widget.
xinitrc: use model pc86 for keyboard.
xmobarrc: changed colors for bat&vol widgets.
Updated readme.
Fix colours @ xmobarrc after rebase fail.
Dashboard on netbook shouldn't float.