minor fixes
redoing the storage!
Initial work toward Exit/EnterXEnsembles.

Also, corrects a few points on volume, and adds skeletons of the test
classes for these ensembles.
Steps toward implementing ensemble tests.
Tests for Enters/ExitsXEnsemble.

Pretty setup, with a few clever hacks to make tests more manageable.
Exits/EntersXEnsemble. Code passes tests.
Merge pull request #31 from dwhswenson/master

Removed import of attic'd things from sandbox.
countless of corrections and adding better orderparameter treatment
countless of corrections and adding better orderparameter treatment
countless of corrections and adding better orderparameter treatment
Cleanup. Moved some classes into a single file
updated documentation
fixed bad refactor... PyCharm changed more than it should have...
fixed bad refactor... PyCharm changed more than it should have...
fixed old saving syntax in examples
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
Added simple fileviewer for netCDF file
changed class order for Orderparameters