[Toon-members] [edrosten/TooN] 087e56: Make std::swap work

[Edward Rosten]

  Branch: refs/heads/master
  Home:   https://github.com/edrosten/TooN
  Commit: 087e5643810a287946b1f02cd1d8e967dd727c68
      
https://github.com/edrosten/TooN/commit/087e5643810a287946b1f02cd1d8e967dd727c68
  Author: Edward Rosten <address@hidden>
  Date:   2015-11-13 (Fri, 13 Nov 2015)

  Changed paths:
    M Makefile.in
    M TooN.h
    M internal/allocator.hh
    A regressions/swap.cc
    A regressions/swap.txt

  Log Message:
  -----------
  Make std::swap work

This is done by providing specialisations for std::swap (which is
allowed). The default std::swap won't work since it relies on move
assignment which is currently unimplemented.