branch master updated (d112e5a -> 8638362)

[Ludovic Courtès]

civodul pushed a change to branch master
in repository guix.

      from  d112e5a   gnu: Add kallisto.
       new  cdc938d   profiles: Do not import the host's srfi-{19,26}.scm files.
       new  af4a761   install: Add the prerequisites of 'profile-derivation' as 
GC roots.
       new  350cb5b   doc: Link to work on bootstrapping.
       new  2f60084   profiles: Avoid _IO* in profile builder.
       new  8638362   install: Add colors in 'motd' and 'issue'.

The 5 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:
 doc/guix.texi          |  22 ++++++++
 gnu/system/install.scm |  27 ++++++---
 guix/profiles.scm      | 148 ++++++++++++++++++++++++-------------------------
 3 files changed, 113 insertions(+), 84 deletions(-)