illume-image: fix compilation and desktop icons issue

illume-image: fix compilation and desktop icons issue

*adding e-wm-menu fix the issue where your couldn't add icons
  on the desktop. the icon you add during the first setup now
  appear on the desktop
*removing elementary-alarm fixes compilation issue:
  elementary-alarm depends on waker which does not compile:
  for more informations on waker and elementary-alarm(from #oe):
   <mickey|office> GNUtoo: lets remove waker
   * robtow (~rob@64.62.142.114) has joined #oe
   <mickey|office> noone is using it
   <GNUtoo> ok thanks a lot
   <mickey|office> np
   * HopsNBarley (~hops@nslu2-linux/HopsNBarley) has joined #oe
   <mickey|office> all the swisscom stuff is in limbo atm.
   <woglinde> hi mickeyl
   <mickey|office> or rather abandoned
   <mickey|office> hi woglinde
   <GNUtoo> ok
   <mickey|office> when Openmoko dropped the ball, all their budget for openmoko stuff was frozen
   <mickey|office> then later reassigned