Be more explicit about source of reference values

Signed-off-by: John May <john.wilkinsonmay@gmail.com>
testPartialTotalChargeDescriptor_Methylamine does not check final atom

Signed-off-by: John May <john.wilkinsonmay@gmail.com>
Use the charge value from the paper for methanol

Signed-off-by: John May <john.wilkinsonmay@gmail.com>
fix for The import org.openscience.cdk.interfaces.ITetrahedralChirality.Stereo collides with another import statement

Signed-off-by: John May <john.wilkinsonmay@gmail.com>
Remove unused imports

Signed-off-by: John May <john.wilkinsonmay@gmail.com>
Enable logging for MMFF94PartialCharges

Signed-off-by: John May <john.wilkinsonmay@gmail.com>
Minor MMFF94charge LOG improvements

Signed-off-by: John May <john.wilkinsonmay@gmail.com>
More logging improvements to MMFF94PartialCharges

Signed-off-by: John May <john.wilkinsonmay@gmail.com>
Formatting.
Log4J is invoked indirectly through the CDK LoggingTool.