Added tag 1.3 for changeset f45d732db492

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branch : release-1.3
Merge branch release-1.3
Fix copy/del attribute callbacks to aquire GIL after Py_IsInitialized() check

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branch : release-1.3
Merge branch release-1.3
Issue #25: Install *.pxd files in <site-packages>/mpi4py

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branch : release-1.3
Merge branch release-1.3
MPE: fix OS X linking issues in configure tests

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branch : release-1.3
Merge branch release-1.3
Safer Cython version check (fixes issue #27)
Py3.3: update test for changes in threading.Thread

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branch : release-1.3
Improve import pickle/cPickle treating Py2/Py3 separately

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branch : release-1.3
Merge branch release-1.3
Move profile() from mpi4py.rc to top-level mpi4py namespace
Fix build issue in kFreeBSD (thanks to Bradley Froehle)

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branch : release-1.3
Merge branch release-1.3
Fix uninstall target in makefile
Disable Pack_external() tests for Open MPI 1.4.x and below

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branch : release-1.3
Merge branch release-1.3
Update mpi.cfg for Open MPI 1.6
Add support for tox (http://tox.testrun.org/) testing tool