GitLab

Added new tests to TestCudaAmoebaVdwForce; fixed bug in AmoebaVdw tapering; non-default AmoebaVdw rules for calculating combinded epsilon 
value changed to agree w/ TINKER

Tony's changes to error handling in the CUDA platform so it throws exceptions instead of calling exit()

Moved AMOEBA include files to plugins/amoeba/openmmapi/include/openmm to be consistent w/ outlay other plugins, ...

Removal SASA code
Versioning introduced in AmoebaTinkerParameterFile
Decomposition of PME forces included in prm files 

Added checks for nonbonded methods
Removed unused functionality from GK force
Moved non-accessor methods from Force classes to ForceImpl classes

An exception is now thrown if the multipole axis type is not Bisector or Z-then-X
Redid velocity initialization in test code