Fix molecule dataframe rendering in pandas 0.13.x

Fixes #231
Merge pull request #236 from nhfechner/patch-1

Fix molecule dataframe rendering in pandas 0.13.x
update docs to reflect migration of the homebrew-rdkit recipe
support white and black lists for getMolFragsWithQuery
new option useCounts for Morgan fingerprints
python test added for useCounts with Morgan fingerprints
option useCounts for Morgan fingerprints updated
update func group defs
merge
Merge pull request #238 from sriniker/useCounts

Adding option useCounts for Morgan fingerprints
Merge branch 'master' into somedev2014

Conflicts:
	Code/ML/Cluster/Murtagh/Clustering.cpp
python3 compatibility