Make archlinux-compliant and add initial config.h

Also modify config.def.h slightly to allow more flexibility with termcmd
Stick status bar to primary monitor
Add scratchpad command
Apply attachaside patch
Apply single tagset patch

This includes the original patch, plus all conflicts since it was
applied (tag 6.0), as well as an update to the togglescratch patch
that:
a) only uses one scratchpad across all monitors
b) updates the position of the scratchpad when it switches monitors
Add deterministic focusmon and tagmon a la xmonad