Bug fixing: solving unicode issues in console logs for python 2.7
Adding --nodes flag to bigmler analyze
Adding tests and docs for node threshold analysis
Changing Gazibit shared report url for models to the embedded format
Bug fixing: reading train or test data from stdin was broken
Updating HISTORY.rst with last change
Bug fixing: shared is only considered when user sets the flag in the command line
Reformatting history log.
Setting dependency from bigml python bindings 1.3.1