Changed tica load and save.
metric parser loads tica base metric from pickle inside HDF
Added tICA to metrics
Expose reduce at the msmb level, expose tICA at the reduce level
import tICA, not from tICA import tICA.  Necessary to expose load.
It's actually a lil matrix
Merge pull request #342 from mpharrigan/doc

Add more description to ergodic trim docstring
Data types
Being explicit and correct about datatypes
Merge pull request #344 from mpharrigan/doc

Fixed more description to ergodic trim docstring
Possibly fixed parsers for simplified tica loader
More cleanup of metric parsers.
More cleanup
Simplify setup.py
Merge pull request #345 from SimTk/setup

Simplify setup.py
Changed lh5 to h5 for Gens.h5 in Assign.py
Corrected various lh5 -> h5 issues and other pre-msmb2.8 issues.
Changed import structure in tica, made load classmethod
More tICA cleanup in arglib etc
More cleanup in parsers