adds extra arguments to is_active_trail and active_trail_nodes methods
add function get_independencies and latex_string to Independencies and IndependenceAssertion Class
Merge pull request #78 from abinashpanda/dev

Created doc pages, modified doc strings.
changed get_cpd method to return numpy array
updated tests
resolves conflicts
Update .travis.yml
Update .travis.yml
changed import of setup from distutils.core to setuptools
Update .travis.yml
Merge branch 'dev' of https://github.com/pgmpy/pgmpy into dev
removed scipy from travis
corrects __init__ method
corrects setup.py
Add include_dirs for distutils to find numpy header files

An include directory was not specified for numpy header files,
resulting in an error when building. Specify include_dirs for
distutil to include numpy header directory.
update .travis.yml
Merge branch 'dev' of https://github.com/johnymontana/pgmpy into dev
Merge pull request #80 from johnymontana/dev

Add include_dirs for distutils to find numpy header files
playing with setup.py
edit travis.yml