libxl: complete some enums in the idl with their defaults
bitmap
libxl: ocaml: add casts to int-conversions, just to be sure

Signed-off-by: Rob Hoes <rob.hoes@citrix.com>
use camllocal
keyed unions
async
no xentoollog.destroy in test
debugkeys test
libxl: Made it possible to use 'timer='delay_for_missed_ticks'

The assertion only allows values of 1 (no_delay_for_missed_ticks)
up to 3 (one_missed_tick_pending). It should be possible to
use the value of 0 (delay_for_missed_ticks) for the timer configuration
option.

Acked-by: Ian Campbell <ian.cambell@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
fix timeout reg callback
no blocking sections
more idl
async callback