Automatically load caps==ctrl on console

(Unless you set $I_LOVE_CAPS_LOCK)
,config-kernel-install now backs up .config first
n empty message aborts the commit.
,grub - Prompt for reboot
,kernel-install runs 'make' as superuser
Linux console ctrl==caps script: ,loadkeys
Update ,wifi for new 'iw' tool (and add color)
Remove 'wifiup'
Keymap for ,loadkeys