Add recipes for nose2 and nose2-cov.

nose2's requirements file is overly specific, so when building we must
use six 1.3, but for actually running nose2, the latest version (1.6.1)
works fine.
Add argparse and unittest2 requirements for Python 2.6
Merge pull request #105 from dan-blanchard/add_nose2

Add recipes for nose2 and nose2-cov
Add sqlsoup 0.9.0.
Merge branch 'master' of g:conda/conda-recipes
Don't disable shared with mpfr
Merge branch 'master' of github.com:pydata/conda-recipes
add bokeh recipe
add comment
Start a gcc recipe
Merge branch 'master' of github.com:pydata/conda-recipes
Whitespace
Fix whitespace
Add --with-gmp etc. to the gcc recipe
Use actual six specification from setup.py in nose2 recipe
Add a recipe for an older version of six
Version the gcc recipe directory name
Add isl
Add isl as a dependency for gcc
Add recipe for gcc 4.7