branch core-updates updated (61fe5a5 -> 20c6b9d)

[Andreas Enge]

andreas pushed a change to branch core-updates
in repository guix.

      from  61fe5a5   gnu: cgal: Update to 4.6.3.
       new  20c6b9d   gnu: Add bitcoin-core.

The 1 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:
 gnu-system.am            |    1 +
 gnu/packages/finance.scm |   82 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 83 insertions(+), 0 deletions(-)
 create mode 100644 gnu/packages/finance.scm