Reversible eigensolvers
Merge pull request #322 from rmcgibbo/reversible-eigenvector2

 More stable eigensolver for reversible transition matrices
travis
Merge branch 'master' of github.com:rmcgibbo/msmbuilder into travis
Push to s3
+x on ci
python version
Merge pull request #323 from SimTk/travis

Push docs to s3