Merge pull request #44 from usnistgov/refactor_AbstractModel

.gitignore

dev/docker/boost_bcp_docker/Dockerfile

dev/docker/boost_bcp_docker/boost_teqp.tar.xz

dev/docker/clangdev/Dockerfile

dev/docker/clangdev/docker-compose.yml

doc/source/models/SAFT-VR-Mie-Polar.ipynb

include/teqp/algorithms/VLE.hpp

include/teqp/algorithms/VLE_pure.hpp

include/teqp/algorithms/VLLE.hpp

include/teqp/algorithms/critical_pure.hpp

include/teqp/algorithms/critical_tracing.hpp

include/teqp/algorithms/rootfinding.hpp

include/teqp/cpp/deriv_adapter.hpp

include/teqp/cpp/teqpcpp.hpp

include/teqp/derivs.hpp

include/teqp/exceptions.hpp

include/teqp/json_builder.hpp

include/teqp/math/pow_templates.hpp

include/teqp/models/cubics.hpp

include/teqp/models/multifluid.hpp