[libsigc++2] (18 commits) Created branch variadic_bind4

[Murray Cumming <murrayc src gnome org>]

The branch 'variadic_bind4' was created.

Summary of new commits:

  ac213fb... Add tuple utils from murrayc-tuple-utils.
  119634b... hide.h.m4: hide_functor::operator(): Make this variadic.
  887c77a... hide_functor: Make this fully variadic.
  e5cb245... hide.h: Use this as a normal .h file.
  e695eeb... track_obj.h.m4: Make this variadic.
  42fe356... track_obj.h: Use this as a normal .h file.
  eaa8f60... bind<num>(): Store the single bound arg in a tuple.
  eb958dd... bind<-1>: Store the bound args in a tuple.
  6eb9e39... bind: Make the visitor<> specialization variadic.
  b7232c7... bind.h.m4: Make variadic.
  b4f0389... Put bind() in its own bind.h file instead of generating it.
  1b00a39... Avoid std::make_tuple().
  5a3f71e... bind: Some perfect forwarding.
  3bd0819... Add a TODO comment.
  f88241f... Create a parallel-installable sigc++-3.0 API/ABI.
  28e09b1... bind_functor::operator(): Do perfect forwarding.
  f1a0b2b... Move all tuple_*.h files into sigc++/tuple-utils/
  0292521... Put tuple-utils into sigc::internal namespace.