Update README.rst
Update README.rst
Update README.rst
Merge pull request #26 from emchristiansen/master

Adds a clickable Travis CI build status image
Fix the doc of hmc to use the same code as the code file!

This was reported by Chris Fonnesbeck in Theano issue gh-1581.
more file to ignore.
Always load the data from the data folder.

This work independently of the current directory.