Added fix for #632
Added test for python serialize
Renamed test to TestPickle
Changed name of test to TestPickle.
Updated docstring.
Added pickler for integrators and test.
Merge pull request #634 from kyleabeauchamp/statepickle

Added fix for #632
Updated vagrant scripts for conda build and upload
Merge pull request #636 from kyleabeauchamp/vmpatch

[WIP] Updated vagrant scripts for conda build and upload
Created MonteCarloMembraneBarostat
Use CUDA 6.5
Add comment warning about NVIDIA pushing new releases without warning.
Merge pull request #637 from kyleabeauchamp/cuda65

[WIP] Use CUDA 6.5 in vagrant VM
Created Python API for MonteCarloMembraneBarostat
Added MonteCarloMembraneBarostat to the manual
Serialization support for MonteCarloMembraneBarostat and MonteCarloAnisotropicBarostat
More documentation on MonteCarloMembraneBarostat
Merge pull request #641 from peastman/membrane

Created MonteCarloMembraneBarostat
Began creating CPU version of CustomGBForce
Add functions to Quantity to compute the max, min, standard deviation (as the
sqrt of the variance), and average, returning a Quantity with the proper units.

This should be reasonably efficient, as it takes advantage of numpy-accelerated
methods if they're present.