branch master updated (cfaf863 -> 0aaca43)

[Ludovic Courtès]

civodul pushed a change to branch master
in repository guix.

      from  cfaf863   gnu: Add orcus.
       new  d17551d   download: Simplify 'open-connection-for-uri' to support 
HTTP proxies.
       new  c046815   derivations: Add #:leaked-env-vars parameter.
       new  0d88313   download: Honor the 'http_proxy' and 'https_proxy' env. 
vars.
       new  0aaca43   Thank Joshua.

The 4 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "adds" were already present in the repository and have only
been added to this reference.


Summary of changes:
 THANKS                  |    1 +
 doc/guix.texi           |   10 ++++++-
 guix/build/download.scm |   65 ++++++++++++++++++-----------------------------
 guix/derivations.scm    |   12 ++++++++-
 guix/download.scm       |    3 ++
 guix/gexp.scm           |    2 +
 6 files changed, 51 insertions(+), 42 deletions(-)