Add gmock.
Update Nose to the latest version
Add an example of a Python 3.4 stack on linux
Remove unnecessary lines
Merge pull request #537 from hashdist/python3_example_stack

Add an example of a Python 3.4 stack on linux
Update Matplotlib to 1.4.2
Add a note about IPython and Python 3.2
Add 4 more packages that build
Update dateutil to 2.0

Unfortunately, the 2.0 version doesn't work in Python 2.7, and dateutil 1.5
doesn't work in Python 3, so we need to use both versions depending on the
Python version.

Fixes #551.
Merge pull request #531 from hashdist/nose

Update Nose to the latest version
Add patch to disable garbage collection on Darwin (fixes issue #554).
Remove trailing whitespace
Remove .rstrip() as it was already called

In the line above it.
Convert output from bytes to a string
Fix HDF5 rpath issues on OS X.8 with pytables
Merge pull request #547 from hashdist/mpl

Update Matplotlib to 1.4.2
Don't build 'scipy' in the tests

That should save considerable time on Travis.
Merge pull request #558 from hashdist/ahmadia/fix_hdf5_osx_10_8

Fix HDF5 rpath issues on OS X.8 with pytables
Merge pull request #555 from hashdist/johannr/fix-issue-554

Add patch to disable garbage collection on Darwin
Merge pull request #552 from hashdist/dateutil

Update dateutil to 2.0