Merge pull request #26 from jhprinz/master

name change for shooting points
LambdaVolumePeriodic and working tests.
Removed completed TODO comment
Correction to atoms labelled as psi atoms.

Doesn't change any behavior, just fixes typos. Turns out PDB counts from 1,
we count from 0.
Merge pull request #28 from dwhswenson/master

LambdaVolumePeriodic (and tests)
Attic unused stuff, per discussion with JHP.
Including the removal as well as addition to attic
Merge pull request #29 from dwhswenson/master

Attic unused stuff
Removed import of attic'd things from sandbox.
Merge pull request #31 from dwhswenson/master

Removed import of attic'd things from sandbox.
Merge branch 'master' of github.com:choderalab/msm-tis
Fixed wrong logic in forward/backward and added more intelligent treatment of negation of volume based ensembles
Merge pull request #34 from jhprinz/ensemble-fw/bw

Ensemble negation corrections
Merge branch 'master' of github.com:choderalab/msm-tis into redo-orderparameter

Conflicts:
	code/python/PySRMSTIS/src/orderparameter.py