Changed v to m (ie velocity to momentum) in HMC, and added an MALA simulation in tests
sorted out full/partial evaluation of gradient, tensor, dtensor in model() arguments
Merge pull request #15 from fredo-dedup/master

sorted out full/partial evaluation of gradient, tensor, dtensor in model()
Started update of README.md
Updated README (a bit more left) and TODO list
Finished first rewrite of README
Minor bug fix in README example
Very minor cosmetic changes in README
Update README.md