Bugfix for CifParser

Double quotes were handled incorrectly
Remove superfluous quotes in CifBlock.data values
Merge branch 'master' of https://github.com/gmatteo/pymatgen
Turn off py3.2 testing.
Update trove classifiers to not include Py3.2.
Minor doc update.
Add pickle tests for Element and DummySpecie.
print_function
Make py.test happy