- French updated

  - French updated
  - Basque updated. Closes: #436425
  - Fix the zh_CN translator's name in debian/changelog for 0.7.2
    Closes: #423272
  - Vietnamese updated. Closes: #440611
  - Danish updated. Closes: #441102
  - Thai added. Closes: #442833
* Add hash support to copy method. Thanks Anders Kaseorg by the patch
  (closes: #436055)
* Reset curl options and timestamp between downloaded files. Thanks to
  Ryan Murray <rmurray@debian.org> for the patch (closes: #437150)
* Add support to apt-key to export keys to stdout. Thanks to "Dwayne
  C. Litzenberger" <dlitz@dlitz.net> for the patch (closes: #441942)
* Fix compilation warnings:
  - apt-pkg/indexfile.cc: conversion from string constant to 'char*';
  - apt-pkg/acquire-item.cc: likewise;
  - apt-pkg/cdrom.cc: '%lu' expects 'long unsigned int', but argument
    has type 'size_t';
  - apt-pkg/deb/dpkgpm.cc: initialization order and conversion from
    string constant to 'char*';
  - methods/gpgv.cc: conversion from string constant to 'char*';
  - methods/ftp.cc: likewise;
  - cmdline/apt-extracttemplates.cc: likewise;
  - apt-pkg/deb/debmetaindex.cc: comparison with string literal results
    in unspecified behaviour;
* Applied patch from Aurelien Jarno <aurel32@debian.org> to fix wrong
  directory downloading on non-linux architectures (closes: #435597)
  * zh_CN.po: Updated by Kov Chai  Closes: #416822