this now builds and installs with py34 on the Mac; it's not done yet though: there are still some Mac-specific hacks that need to be generalized/cleaned up
switch to patch release
Merge remote-tracking branch 'origin/master' into mac_py34
only do the symlink on the mac
we only need regex and python
generalize it
Merge pull request #4 from rdkit/mac_py34

conda build support on the mac