Massive patch adding event APIs by Ben Guthro

Massive patch adding event APIs by Ben Guthro
* include/libvirt/libvirt.h include/libvirt/libvirt.h.in
  src/libvirt.c src/libvirt_sym.version: new libvirt event entry
  points, big patch provided by Ben Guthro
* Makefile.am configure.in src/driver.h src/event.c src/event.h
  src/internal.h src/libvirt.c src/libvirt_sym.version src/lxc_driver.c
  src/openvz_driver.c src/qemu_conf.h src/qemu_driver.c
  src/remote_internal.c src/storage_backend_fs.c src/test.c
  qemud/event.c qemud/event.h qemud/mdns.c qemud/qemud.c
  qemud/qemud.h qemud/remote.c qemud/remote_dispatch_localvars.h
  qemud/remote_dispatch_proc_switch.h qemud/remote_dispatch_prototypes.h
  qemud/remote_protocol.c qemud/remote_protocol.h
  qemud/remote_protocol.x proxy/Makefile.am python/generator.py:
  Not much is left untouched by the patch adding the events support
* docs/libvirt-api.xml docs/libvirt-refs.xml
  docs/html/libvirt-libvirt.html: regenerated the docs
* examples/domain-events/events-c/Makefile.am
  examples/domain-events/events-c/event-test.c: a test example
* AUTHORS: added Ben Guthro
daniel