Remove the blas and lapack spkgs (provided by atlas now); deprecate sage_fortran
Update the installation guide for ATLAS 3.10.1
#14692: Fix hardcoded 'make' in upstream build scripts; minor clean-up; refactor patches.
Trac #14754: Do not use 3DNow in configure_base()
sage-dev: integrate scripts from sage-workflow
sage-dev: don't import scripts if SAGE_ROOT is not defined
sage-dev: fix path for git repository
sagedev: overhaul command line parsing
sage-dev: fix a lot of doctests
sage-dev: make Config inherit from collections.MutableMapping
sage-dev: work towards making the git interface doctestable
sage-dev: simplify GitInterface.has_uncommitted_changes
sage-dev: use DOCTEST_MODE to ease doctesting
sage-dev: more doctests for GitInterface
sage-dev: overhaul branch conversions
sage-dev: overhaul branch conversions again, add examples/tests
sage-dev: rewrite SavingDict

* now inherits from collections.MutableMapping
* less hacky (but still hacky)
* some more documentation + doctests
sage-dev: require default argument to be callable

this help prevents accidental breakage by modifying default when
default is a mutable object (modifications now have to modify the
output of the __call__ method)
sage-dev: add to docbuilding
sage-dev: finish SavingDict