Code to calculate the polarization term from Thakkar atomic dipole polarizabilities for a pair of fragments.
Modified .gitignore to ignore all build files.
Added tests for interaction energies on formamide using SCF and MP2 FChk file.
Merge branch 'polarization-energy'
Added section to .gitignore for Mac OSX specific files
Modified IO for CX tests to tidy up correctly.
Modified CX tests for benzene to account for changed handling of deuterium.
Merge branch 'master' of github.com:dylan-jayatilaka/tonto