Added loging of composition profile
Merge pull request #21 from jglaser/log_composition_profile

Added loging of composition profile
Merge branch 'master' of git://github.com/dmorse/simpatico

Conflicts:
	src/mcMd/analyzers/system/CompositionProfile.cpp
	src/mcMd/analyzers/system/CompositionProfile.h
Added Taher's stress diagnostics in ddmd and changed NptIntegrator mode param to nDegree param