CUDA platform does PME on a separate stream
OpenCL platform does PME on a separate stream
Bug fix
Merge pull request #647 from peastman/stream

Compute PME on a separate stream
Deleted obsolete files
Merge pull request #648 from peastman/master

Deleted obsolete files
Further optimizations to NonbondedForce
Merge pull request #649 from peastman/opt

Further optimizations to NonbondedForce
Optimizations to AMOEBA
Merge pull request #650 from peastman/opt

Optimizations to AMOEBA
GBSAOBCForce allows the surface area energy to be changed
Setting surface area energy works with Python API
Setting surface area energy works with serialization
Merge pull request #654 from peastman/sasa

GBSAOBCForce allows the surface area energy to be changed
Removed some unnecessary library references that caused problems for conda on OS X
Merge pull request #655 from peastman/paths

Removed some unnecessary library references that caused problems for conda on OS X
Fixed bug in Quantity.sum()
Merge pull request #656 from peastman/sum

Fixed bug in Quantity.sum()
Workaround to support GTX 980
Merge pull request #658 from peastman/980

Workaround to support GTX 980