Fixed error in OpenCL MonteCarloBarostat in double precision
Merge branch 'master' of https://github.com/peastman/openmm
Merge branch 'master' of https://github.com/SimTk/openmm
Merge pull request #554 from peastman/master

Fixed error in OpenCL MonteCarloBarostat in double precision
Fixed anisotropy for terminal residues
Merge pull request #556 from peastman/master

Fixed anisotropy for terminal residues
Disable OpenCL by default on Macs
Very minor optimization to DIIS
Merge pull request #557 from peastman/apple

Disable OpenCL by default on Macs
Merge pull request #558 from peastman/master

Very minor optimization to DIIS
Merge remote-tracking branch 'upstream/master' into linux-build-vm-update