Created wrapper classes for AVX vectors
Created AVX implementation of CPU nonbonded force
Improved vectorization of CpuNonbondedForce
Automatically select whether to use the SSE or AVX version of CpuNonbondedForce
Fixed bug in detecting if AVX is supported
Merge pull request #251 from peastman/avx

CPU platform can use AVX when available
Parallelized LangevinIntegrator for CPU platform
Fixed a compilation error on gcc 4.4
Benchmark script did not set OpenCLPrecision correctly
Merge pull request #253 from peastman/master

Bug fixes
Merge branch 'master' of https://github.com/peastman/openmm
Merge pull request #254 from peastman/master

Parallelized LangevinIntegrator for CPU platform
Parallelized summing the forces from different threads
Merge pull request #255 from peastman/master

Parallelized summing the forces from different threads
Allow implicitSolventKappa to have units (it has dimensions of length) and
convert the number to pure nanometers before using it in the GB code.
Merge branch 'master' of https://github.com/SimTk/openmm