Method to calculate fast tanimoto similarity

Taking inner products of the binary matrix we can make the calculation
of tanimoto much faster
Merge pull request #1 from abhik1368/fast-tanimot-calculation

Method to calculate fast tanimoto similarity
Update matrix.R

Updated .tanimoto.sim.mat for faster tanimoto calculation.
Delete fastTanimot.R
Merge pull request #13 from abhik1368/master

Faster tanimoto calculation